Home / 115,248.42-172,770.03-45,176.58

Finding the Fourth Proportional to 115,248.42, 172,770.03 and 45,176.58

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Solution

The fourth proportional to 115,248.42, 172,770.03 and 45,176.58 is: 67,724.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,248.42 : 172,770.03 = 45,176.58 : x
  2. Step 2: Convert to fraction form
    115,248.42/172,770.03 = 45,176.58/x
  3. Step 3: Cross multiply
    115,248.42x = 172,770.03 × 45,176.58
  4. Step 4: Simplify right side
    115,248.42x = 7,805,159,081.90
  5. Step 5: Solve for x
    x = 7,805,159,081.90/115,248.42
  6. Step 6: Final answer
    x = 67,724.65

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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.