Home / 91,856.27-126,768.98-51,572.68

Finding the Fourth Proportional to 91,856.27, 126,768.98 and 51,572.68

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Solution

The fourth proportional to 91,856.27, 126,768.98 and 51,572.68 is: 71,174.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,856.27 : 126,768.98 = 51,572.68 : x
  2. Step 2: Convert to fraction form
    91,856.27/126,768.98 = 51,572.68/x
  3. Step 3: Cross multiply
    91,856.27x = 126,768.98 × 51,572.68
  4. Step 4: Simplify right side
    91,856.27x = 6,537,816,039.47
  5. Step 5: Solve for x
    x = 6,537,816,039.47/91,856.27
  6. Step 6: Final answer
    x = 71,174.41

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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.