Home / 117,788.10-162,545.90-64,073.49

Finding the Fourth Proportional to 117,788.10, 162,545.90 and 64,073.49

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Solution

The fourth proportional to 117,788.10, 162,545.90 and 64,073.49 is: 88,420.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,788.10 : 162,545.90 = 64,073.49 : x
  2. Step 2: Convert to fraction form
    117,788.10/162,545.90 = 64,073.49/x
  3. Step 3: Cross multiply
    117,788.10x = 162,545.90 × 64,073.49
  4. Step 4: Simplify right side
    117,788.10x = 10,414,883,098.19
  5. Step 5: Solve for x
    x = 10,414,883,098.19/117,788.10
  6. Step 6: Final answer
    x = 88,420.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.