Home / 91,588.60-126,391.53-51,302.76

Finding the Fourth Proportional to 91,588.60, 126,391.53 and 51,302.76

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Solution

The fourth proportional to 91,588.60, 126,391.53 and 51,302.76 is: 70,797.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,588.60 : 126,391.53 = 51,302.76 : x
  2. Step 2: Convert to fraction form
    91,588.60/126,391.53 = 51,302.76/x
  3. Step 3: Cross multiply
    91,588.60x = 126,391.53 × 51,302.76
  4. Step 4: Simplify right side
    91,588.60x = 6,484,234,329.62
  5. Step 5: Solve for x
    x = 6,484,234,329.62/91,588.60
  6. Step 6: Final answer
    x = 70,797.40

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.