Home / 98,432.14-147,638.85-39,251.98

Finding the Fourth Proportional to 98,432.14, 147,638.85 and 39,251.98

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Solution

The fourth proportional to 98,432.14, 147,638.85 and 39,251.98 is: 58,874.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,432.14 : 147,638.85 = 39,251.98 : x
  2. Step 2: Convert to fraction form
    98,432.14/147,638.85 = 39,251.98/x
  3. Step 3: Cross multiply
    98,432.14x = 147,638.85 × 39,251.98
  4. Step 4: Simplify right side
    98,432.14x = 5,795,117,187.42
  5. Step 5: Solve for x
    x = 5,795,117,187.42/98,432.14
  6. Step 6: Final answer
    x = 58,874.24

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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.