Home / 103,411.08-142,764.12-62,582.85

Finding the Fourth Proportional to 103,411.08, 142,764.12 and 62,582.85

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Solution

The fourth proportional to 103,411.08, 142,764.12 and 62,582.85 is: 86,398.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,411.08 : 142,764.12 = 62,582.85 : x
  2. Step 2: Convert to fraction form
    103,411.08/142,764.12 = 62,582.85/x
  3. Step 3: Cross multiply
    103,411.08x = 142,764.12 × 62,582.85
  4. Step 4: Simplify right side
    103,411.08x = 8,934,585,507.34
  5. Step 5: Solve for x
    x = 8,934,585,507.34/103,411.08
  6. Step 6: Final answer
    x = 86,398.73

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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.