Home / 77,553.48-116,330.83-42,474

Finding the Fourth Proportional to 77,553.48, 116,330.83 and 42,474

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Solution

The fourth proportional to 77,553.48, 116,330.83 and 42,474 is: 63,711.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,553.48 : 116,330.83 = 42,474 : x
  2. Step 2: Convert to fraction form
    77,553.48/116,330.83 = 42,474/x
  3. Step 3: Cross multiply
    77,553.48x = 116,330.83 × 42,474
  4. Step 4: Simplify right side
    77,553.48x = 4,941,035,461.05
  5. Step 5: Solve for x
    x = 4,941,035,461.05/77,553.48
  6. Step 6: Final answer
    x = 63,711.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.