Home / 52,357.32-72,253.12-29,689.04

Finding the Fourth Proportional to 52,357.32, 72,253.12 and 29,689.04

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Solution

The fourth proportional to 52,357.32, 72,253.12 and 29,689.04 is: 40,970.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,357.32 : 72,253.12 = 29,689.04 : x
  2. Step 2: Convert to fraction form
    52,357.32/72,253.12 = 29,689.04/x
  3. Step 3: Cross multiply
    52,357.32x = 72,253.12 × 29,689.04
  4. Step 4: Simplify right side
    52,357.32x = 2,145,125,769.80
  5. Step 5: Solve for x
    x = 2,145,125,769.80/52,357.32
  6. Step 6: Final answer
    x = 40,970.89

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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.