Home / 108,650.32-163,006.92-45,437.83

Finding the Fourth Proportional to 108,650.32, 163,006.92 and 45,437.83

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Solution

The fourth proportional to 108,650.32, 163,006.92 and 45,437.83 is: 68,169.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,650.32 : 163,006.92 = 45,437.83 : x
  2. Step 2: Convert to fraction form
    108,650.32/163,006.92 = 45,437.83/x
  3. Step 3: Cross multiply
    108,650.32x = 163,006.92 × 45,437.83
  4. Step 4: Simplify right side
    108,650.32x = 7,406,680,719.78
  5. Step 5: Solve for x
    x = 7,406,680,719.78/108,650.32
  6. Step 6: Final answer
    x = 68,169.89

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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.