Home / 52,179.29-72,007.45-29,517.80

Finding the Fourth Proportional to 52,179.29, 72,007.45 and 29,517.80

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Solution

The fourth proportional to 52,179.29, 72,007.45 and 29,517.80 is: 40,734.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,179.29 : 72,007.45 = 29,517.80 : x
  2. Step 2: Convert to fraction form
    52,179.29/72,007.45 = 29,517.80/x
  3. Step 3: Cross multiply
    52,179.29x = 72,007.45 × 29,517.80
  4. Step 4: Simplify right side
    52,179.29x = 2,125,501,478.82
  5. Step 5: Solve for x
    x = 2,125,501,478.82/52,179.29
  6. Step 6: Final answer
    x = 40,734.58

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1.5x scale

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.