Home / 89,812.53-134,802.23-45,470.70

Finding the Fourth Proportional to 89,812.53, 134,802.23 and 45,470.70

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Solution

The fourth proportional to 89,812.53, 134,802.23 and 45,470.70 is: 68,248.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,812.53 : 134,802.23 = 45,470.70 : x
  2. Step 2: Convert to fraction form
    89,812.53/134,802.23 = 45,470.70/x
  3. Step 3: Cross multiply
    89,812.53x = 134,802.23 × 45,470.70
  4. Step 4: Simplify right side
    89,812.53x = 6,129,551,532.31
  5. Step 5: Solve for x
    x = 6,129,551,532.31/89,812.53
  6. Step 6: Final answer
    x = 68,248.29

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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.