Home / 52,318.74-72,200.40-28,445.95

Finding the Fourth Proportional to 52,318.74, 72,200.40 and 28,445.95

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Solution

The fourth proportional to 52,318.74, 72,200.40 and 28,445.95 is: 39,255.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,318.74 : 72,200.40 = 28,445.95 : x
  2. Step 2: Convert to fraction form
    52,318.74/72,200.40 = 28,445.95/x
  3. Step 3: Cross multiply
    52,318.74x = 72,200.40 × 28,445.95
  4. Step 4: Simplify right side
    52,318.74x = 2,053,808,951.96
  5. Step 5: Solve for x
    x = 2,053,808,951.96/52,318.74
  6. Step 6: Final answer
    x = 39,255.70

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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.