Home / 98,097.08-147,156.55-38,938.73

Finding the Fourth Proportional to 98,097.08, 147,156.55 and 38,938.73

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Solution

The fourth proportional to 98,097.08, 147,156.55 and 38,938.73 is: 58,412.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,097.08 : 147,156.55 = 38,938.73 : x
  2. Step 2: Convert to fraction form
    98,097.08/147,156.55 = 38,938.73/x
  3. Step 3: Cross multiply
    98,097.08x = 147,156.55 × 38,938.73
  4. Step 4: Simplify right side
    98,097.08x = 5,730,088,335.05
  5. Step 5: Solve for x
    x = 5,730,088,335.05/98,097.08
  6. Step 6: Final answer
    x = 58,412.43

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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.