Home / 82,154.28-113,372.85-44,428.53

Finding the Fourth Proportional to 82,154.28, 113,372.85 and 44,428.53

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Solution

The fourth proportional to 82,154.28, 113,372.85 and 44,428.53 is: 61,311.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,154.28 : 113,372.85 = 44,428.53 : x
  2. Step 2: Convert to fraction form
    82,154.28/113,372.85 = 44,428.53/x
  3. Step 3: Cross multiply
    82,154.28x = 113,372.85 × 44,428.53
  4. Step 4: Simplify right side
    82,154.28x = 5,036,989,067.41
  5. Step 5: Solve for x
    x = 5,036,989,067.41/82,154.28
  6. Step 6: Final answer
    x = 61,311.34

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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.