Home / 94,740.47-142,079.92-31,543.62

Finding the Fourth Proportional to 94,740.47, 142,079.92 and 31,543.62

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Solution

The fourth proportional to 94,740.47, 142,079.92 and 31,543.62 is: 47,305.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,740.47 : 142,079.92 = 31,543.62 : x
  2. Step 2: Convert to fraction form
    94,740.47/142,079.92 = 31,543.62/x
  3. Step 3: Cross multiply
    94,740.47x = 142,079.92 × 31,543.62
  4. Step 4: Simplify right side
    94,740.47x = 4,481,715,006.11
  5. Step 5: Solve for x
    x = 4,481,715,006.11/94,740.47
  6. Step 6: Final answer
    x = 47,305.18

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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.