Home / 71,925.12-99,269.28-54,901.44

Finding the Fourth Proportional to 71,925.12, 99,269.28 and 54,901.44

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Solution

The fourth proportional to 71,925.12, 99,269.28 and 54,901.44 is: 75,773.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,925.12 : 99,269.28 = 54,901.44 : x
  2. Step 2: Convert to fraction form
    71,925.12/99,269.28 = 54,901.44/x
  3. Step 3: Cross multiply
    71,925.12x = 99,269.28 × 54,901.44
  4. Step 4: Simplify right side
    71,925.12x = 5,450,026,419.76
  5. Step 5: Solve for x
    x = 5,450,026,419.76/71,925.12
  6. Step 6: Final answer
    x = 75,773.62

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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.