Home / 77,132.84-115,711.58-23,812.28

Finding the Fourth Proportional to 77,132.84, 115,711.58 and 23,812.28

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Solution

The fourth proportional to 77,132.84, 115,711.58 and 23,812.28 is: 35,722.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,132.84 : 115,711.58 = 23,812.28 : x
  2. Step 2: Convert to fraction form
    77,132.84/115,711.58 = 23,812.28/x
  3. Step 3: Cross multiply
    77,132.84x = 115,711.58 × 23,812.28
  4. Step 4: Simplify right side
    77,132.84x = 2,755,356,978.74
  5. Step 5: Solve for x
    x = 2,755,356,978.74/77,132.84
  6. Step 6: Final answer
    x = 35,722.23

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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.