Home / 82,191.85-113,423.79-48,193.31

Finding the Fourth Proportional to 82,191.85, 113,423.79 and 48,193.31

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Solution

The fourth proportional to 82,191.85, 113,423.79 and 48,193.31 is: 66,506.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,191.85 : 113,423.79 = 48,193.31 : x
  2. Step 2: Convert to fraction form
    82,191.85/113,423.79 = 48,193.31/x
  3. Step 3: Cross multiply
    82,191.85x = 113,423.79 × 48,193.31
  4. Step 4: Simplify right side
    82,191.85x = 5,466,268,337.13
  5. Step 5: Solve for x
    x = 5,466,268,337.13/82,191.85
  6. Step 6: Final answer
    x = 66,506.21

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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.