Home / 91,125.28-125,752.98-53,399.50

Finding the Fourth Proportional to 91,125.28, 125,752.98 and 53,399.50

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Solution

The fourth proportional to 91,125.28, 125,752.98 and 53,399.50 is: 73,691.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,125.28 : 125,752.98 = 53,399.50 : x
  2. Step 2: Convert to fraction form
    91,125.28/125,752.98 = 53,399.50/x
  3. Step 3: Cross multiply
    91,125.28x = 125,752.98 × 53,399.50
  4. Step 4: Simplify right side
    91,125.28x = 6,715,146,255.51
  5. Step 5: Solve for x
    x = 6,715,146,255.51/91,125.28
  6. Step 6: Final answer
    x = 73,691.36

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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.