Home / 70,660.52-97,511.92-38,395.38

Finding the Fourth Proportional to 70,660.52, 97,511.92 and 38,395.38

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Solution

The fourth proportional to 70,660.52, 97,511.92 and 38,395.38 is: 52,985.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,660.52 : 97,511.92 = 38,395.38 : x
  2. Step 2: Convert to fraction form
    70,660.52/97,511.92 = 38,395.38/x
  3. Step 3: Cross multiply
    70,660.52x = 97,511.92 × 38,395.38
  4. Step 4: Simplify right side
    70,660.52x = 3,744,007,492.61
  5. Step 5: Solve for x
    x = 3,744,007,492.61/70,660.52
  6. Step 6: Final answer
    x = 52,985.85

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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.