Home / 99,470.35-149,207.08-55,377.35

Finding the Fourth Proportional to 99,470.35, 149,207.08 and 55,377.35

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Solution

The fourth proportional to 99,470.35, 149,207.08 and 55,377.35 is: 83,066.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,470.35 : 149,207.08 = 55,377.35 : x
  2. Step 2: Convert to fraction form
    99,470.35/149,207.08 = 55,377.35/x
  3. Step 3: Cross multiply
    99,470.35x = 149,207.08 × 55,377.35
  4. Step 4: Simplify right side
    99,470.35x = 8,262,692,691.64
  5. Step 5: Solve for x
    x = 8,262,692,691.64/99,470.35
  6. Step 6: Final answer
    x = 83,066.89

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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.