Home / 117,876.20-176,555.10-62,407.40

Finding the Fourth Proportional to 117,876.20, 176,555.10 and 62,407.40

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Solution

The fourth proportional to 117,876.20, 176,555.10 and 62,407.40 is: 93,473.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,876.20 : 176,555.10 = 62,407.40 : x
  2. Step 2: Convert to fraction form
    117,876.20/176,555.10 = 62,407.40/x
  3. Step 3: Cross multiply
    117,876.20x = 176,555.10 × 62,407.40
  4. Step 4: Simplify right side
    117,876.20x = 11,018,344,747.74
  5. Step 5: Solve for x
    x = 11,018,344,747.74/117,876.20
  6. Step 6: Final answer
    x = 93,473.87

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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.