Home / 91,568.79-126,358.91-51,273.32

Finding the Fourth Proportional to 91,568.79, 126,358.91 and 51,273.32

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Solution

The fourth proportional to 91,568.79, 126,358.91 and 51,273.32 is: 70,753.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,568.79 : 126,358.91 = 51,273.32 : x
  2. Step 2: Convert to fraction form
    91,568.79/126,358.91 = 51,273.32/x
  3. Step 3: Cross multiply
    91,568.79x = 126,358.91 × 51,273.32
  4. Step 4: Simplify right side
    91,568.79x = 6,478,840,195.49
  5. Step 5: Solve for x
    x = 6,478,840,195.49/91,568.79
  6. Step 6: Final answer
    x = 70,753.80

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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.