Home / 83,425.02-125,153.85-36,677.74

Finding the Fourth Proportional to 83,425.02, 125,153.85 and 36,677.74

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Solution

The fourth proportional to 83,425.02, 125,153.85 and 36,677.74 is: 55,023.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,425.02 : 125,153.85 = 36,677.74 : x
  2. Step 2: Convert to fraction form
    83,425.02/125,153.85 = 36,677.74/x
  3. Step 3: Cross multiply
    83,425.02x = 125,153.85 × 36,677.74
  4. Step 4: Simplify right side
    83,425.02x = 4,590,360,370.30
  5. Step 5: Solve for x
    x = 4,590,360,370.30/83,425.02
  6. Step 6: Final answer
    x = 55,023.79

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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.