Home / 75,737.10-113,605.65-54,741.90

Finding the Fourth Proportional to 75,737.10, 113,605.65 and 54,741.90

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Solution

The fourth proportional to 75,737.10, 113,605.65 and 54,741.90 is: 82,112.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,737.10 : 113,605.65 = 54,741.90 : x
  2. Step 2: Convert to fraction form
    75,737.10/113,605.65 = 54,741.90/x
  3. Step 3: Cross multiply
    75,737.10x = 113,605.65 × 54,741.90
  4. Step 4: Simplify right side
    75,737.10x = 6,218,989,131.74
  5. Step 5: Solve for x
    x = 6,218,989,131.74/75,737.10
  6. Step 6: Final answer
    x = 82,112.85

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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.