Home / 71,933.60-99,251.28-43,638.56

Finding the Fourth Proportional to 71,933.60, 99,251.28 and 43,638.56

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Solution

The fourth proportional to 71,933.60, 99,251.28 and 43,638.56 is: 60,210.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,933.60 : 99,251.28 = 43,638.56 : x
  2. Step 2: Convert to fraction form
    71,933.60/99,251.28 = 43,638.56/x
  3. Step 3: Cross multiply
    71,933.60x = 99,251.28 × 43,638.56
  4. Step 4: Simplify right side
    71,933.60x = 4,331,182,937.36
  5. Step 5: Solve for x
    x = 4,331,182,937.36/71,933.60
  6. Step 6: Final answer
    x = 60,210.85

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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.