Home / 82,505.12-113,854.02-44,778.56

Finding the Fourth Proportional to 82,505.12, 113,854.02 and 44,778.56

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Solution

The fourth proportional to 82,505.12, 113,854.02 and 44,778.56 is: 61,792.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,505.12 : 113,854.02 = 44,778.56 : x
  2. Step 2: Convert to fraction form
    82,505.12/113,854.02 = 44,778.56/x
  3. Step 3: Cross multiply
    82,505.12x = 113,854.02 × 44,778.56
  4. Step 4: Simplify right side
    82,505.12x = 5,098,219,065.81
  5. Step 5: Solve for x
    x = 5,098,219,065.81/82,505.12
  6. Step 6: Final answer
    x = 61,792.76

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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.