Home / 91,443.53-126,194.76-51,156.36

Finding the Fourth Proportional to 91,443.53, 126,194.76 and 51,156.36

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Solution

The fourth proportional to 91,443.53, 126,194.76 and 51,156.36 is: 70,597.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,443.53 : 126,194.76 = 51,156.36 : x
  2. Step 2: Convert to fraction form
    91,443.53/126,194.76 = 51,156.36/x
  3. Step 3: Cross multiply
    91,443.53x = 126,194.76 × 51,156.36
  4. Step 4: Simplify right side
    91,443.53x = 6,455,664,572.67
  5. Step 5: Solve for x
    x = 6,455,664,572.67/91,443.53
  6. Step 6: Final answer
    x = 70,597.28

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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.