Home / 91,381.89-126,098.54-50,545.13

Finding the Fourth Proportional to 91,381.89, 126,098.54 and 50,545.13

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Solution

The fourth proportional to 91,381.89, 126,098.54 and 50,545.13 is: 69,747.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,381.89 : 126,098.54 = 50,545.13 : x
  2. Step 2: Convert to fraction form
    91,381.89/126,098.54 = 50,545.13/x
  3. Step 3: Cross multiply
    91,381.89x = 126,098.54 × 50,545.13
  4. Step 4: Simplify right side
    91,381.89x = 6,373,666,844.38
  5. Step 5: Solve for x
    x = 6,373,666,844.38/91,381.89
  6. Step 6: Final answer
    x = 69,747.60

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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.