Home / 62,943.72-94,403.04-40,387.68

Finding the Fourth Proportional to 62,943.72, 94,403.04 and 40,387.68

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Solution

The fourth proportional to 62,943.72, 94,403.04 and 40,387.68 is: 60,573.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,943.72 : 94,403.04 = 40,387.68 : x
  2. Step 2: Convert to fraction form
    62,943.72/94,403.04 = 40,387.68/x
  3. Step 3: Cross multiply
    62,943.72x = 94,403.04 × 40,387.68
  4. Step 4: Simplify right side
    62,943.72x = 3,812,719,770.55
  5. Step 5: Solve for x
    x = 3,812,719,770.55/62,943.72
  6. Step 6: Final answer
    x = 60,573.47

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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.