Home / 115,079.28-172,405.07-62,532.96

Finding the Fourth Proportional to 115,079.28, 172,405.07 and 62,532.96

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Solution

The fourth proportional to 115,079.28, 172,405.07 and 62,532.96 is: 93,683.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,079.28 : 172,405.07 = 62,532.96 : x
  2. Step 2: Convert to fraction form
    115,079.28/172,405.07 = 62,532.96/x
  3. Step 3: Cross multiply
    115,079.28x = 172,405.07 × 62,532.96
  4. Step 4: Simplify right side
    115,079.28x = 10,780,999,346.11
  5. Step 5: Solve for x
    x = 10,780,999,346.11/115,079.28
  6. Step 6: Final answer
    x = 93,683.24

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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.