Home / 71,318.52-98,403.96-42,634.02

Finding the Fourth Proportional to 71,318.52, 98,403.96 and 42,634.02

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Solution

The fourth proportional to 71,318.52, 98,403.96 and 42,634.02 is: 58,825.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,318.52 : 98,403.96 = 42,634.02 : x
  2. Step 2: Convert to fraction form
    71,318.52/98,403.96 = 42,634.02/x
  3. Step 3: Cross multiply
    71,318.52x = 98,403.96 × 42,634.02
  4. Step 4: Simplify right side
    71,318.52x = 4,195,356,398.72
  5. Step 5: Solve for x
    x = 4,195,356,398.72/71,318.52
  6. Step 6: Final answer
    x = 58,825.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.