Home / 78,718.04-118,043.33-36,593.73

Finding the Fourth Proportional to 78,718.04, 118,043.33 and 36,593.73

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Solution

The fourth proportional to 78,718.04, 118,043.33 and 36,593.73 is: 54,874.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,718.04 : 118,043.33 = 36,593.73 : x
  2. Step 2: Convert to fraction form
    78,718.04/118,043.33 = 36,593.73/x
  3. Step 3: Cross multiply
    78,718.04x = 118,043.33 × 36,593.73
  4. Step 4: Simplify right side
    78,718.04x = 4,319,644,973.14
  5. Step 5: Solve for x
    x = 4,319,644,973.14/78,718.04
  6. Step 6: Final answer
    x = 54,874.91

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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.