Home / 88,064.10-132,106.17-31,930.65

Finding the Fourth Proportional to 88,064.10, 132,106.17 and 31,930.65

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Solution

The fourth proportional to 88,064.10, 132,106.17 and 31,930.65 is: 47,899.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,064.10 : 132,106.17 = 31,930.65 : x
  2. Step 2: Convert to fraction form
    88,064.10/132,106.17 = 31,930.65/x
  3. Step 3: Cross multiply
    88,064.10x = 132,106.17 × 31,930.65
  4. Step 4: Simplify right side
    88,064.10x = 4,218,235,216.58
  5. Step 5: Solve for x
    x = 4,218,235,216.58/88,064.10
  6. Step 6: Final answer
    x = 47,899.60

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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.