Home / 108,458.32-162,937.24-76,946.62

Finding the Fourth Proportional to 108,458.32, 162,937.24 and 76,946.62

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Solution

The fourth proportional to 108,458.32, 162,937.24 and 76,946.62 is: 115,597.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,458.32 : 162,937.24 = 76,946.62 : x
  2. Step 2: Convert to fraction form
    108,458.32/162,937.24 = 76,946.62/x
  3. Step 3: Cross multiply
    108,458.32x = 162,937.24 × 76,946.62
  4. Step 4: Simplify right side
    108,458.32x = 12,537,469,890.13
  5. Step 5: Solve for x
    x = 12,537,469,890.13/108,458.32
  6. Step 6: Final answer
    x = 115,597.12

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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.