Home / 83,973.20-125,960.24-21,643.70

Finding the Fourth Proportional to 83,973.20, 125,960.24 and 21,643.70

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Solution

The fourth proportional to 83,973.20, 125,960.24 and 21,643.70 is: 32,465.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,973.20 : 125,960.24 = 21,643.70 : x
  2. Step 2: Convert to fraction form
    83,973.20/125,960.24 = 21,643.70/x
  3. Step 3: Cross multiply
    83,973.20x = 125,960.24 × 21,643.70
  4. Step 4: Simplify right side
    83,973.20x = 2,726,244,908.47
  5. Step 5: Solve for x
    x = 2,726,244,908.47/83,973.20
  6. Step 6: Final answer
    x = 32,465.66

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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.