Home / 113,044.08-156,000.72-62,742.96

Finding the Fourth Proportional to 113,044.08, 156,000.72 and 62,742.96

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Solution

The fourth proportional to 113,044.08, 156,000.72 and 62,742.96 is: 86,585.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,044.08 : 156,000.72 = 62,742.96 : x
  2. Step 2: Convert to fraction form
    113,044.08/156,000.72 = 62,742.96/x
  3. Step 3: Cross multiply
    113,044.08x = 156,000.72 × 62,742.96
  4. Step 4: Simplify right side
    113,044.08x = 9,787,946,934.93
  5. Step 5: Solve for x
    x = 9,787,946,934.93/113,044.08
  6. Step 6: Final answer
    x = 86,585.22

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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.