Home / 75,972.28-113,972.19-38,041.33

Finding the Fourth Proportional to 75,972.28, 113,972.19 and 38,041.33

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Solution

The fourth proportional to 75,972.28, 113,972.19 and 38,041.33 is: 57,068.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,972.28 : 113,972.19 = 38,041.33 : x
  2. Step 2: Convert to fraction form
    75,972.28/113,972.19 = 38,041.33/x
  3. Step 3: Cross multiply
    75,972.28x = 113,972.19 × 38,041.33
  4. Step 4: Simplify right side
    75,972.28x = 4,335,653,690.61
  5. Step 5: Solve for x
    x = 4,335,653,690.61/75,972.28
  6. Step 6: Final answer
    x = 57,068.89

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1.5x scale

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.