Home / 91,320.85-126,013.53-62,665.12

Finding the Fourth Proportional to 91,320.85, 126,013.53 and 62,665.12

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Solution

The fourth proportional to 91,320.85, 126,013.53 and 62,665.12 is: 86,471.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,320.85 : 126,013.53 = 62,665.12 : x
  2. Step 2: Convert to fraction form
    91,320.85/126,013.53 = 62,665.12/x
  3. Step 3: Cross multiply
    91,320.85x = 126,013.53 × 62,665.12
  4. Step 4: Simplify right side
    91,320.85x = 7,896,652,979.07
  5. Step 5: Solve for x
    x = 7,896,652,979.07/91,320.85
  6. Step 6: Final answer
    x = 86,471.52

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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.