Home / 115,006.50-172,531.53-40,148.01

Finding the Fourth Proportional to 115,006.50, 172,531.53 and 40,148.01

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Solution

The fourth proportional to 115,006.50, 172,531.53 and 40,148.01 is: 60,229.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,006.50 : 172,531.53 = 40,148.01 : x
  2. Step 2: Convert to fraction form
    115,006.50/172,531.53 = 40,148.01/x
  3. Step 3: Cross multiply
    115,006.50x = 172,531.53 × 40,148.01
  4. Step 4: Simplify right side
    115,006.50x = 6,926,797,591.76
  5. Step 5: Solve for x
    x = 6,926,797,591.76/115,006.50
  6. Step 6: Final answer
    x = 60,229.62

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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.