Home / 56,246.85-77,684.46-38,310.75

Finding the Fourth Proportional to 56,246.85, 77,684.46 and 38,310.75

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Solution

The fourth proportional to 56,246.85, 77,684.46 and 38,310.75 is: 52,912.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,246.85 : 77,684.46 = 38,310.75 : x
  2. Step 2: Convert to fraction form
    56,246.85/77,684.46 = 38,310.75/x
  3. Step 3: Cross multiply
    56,246.85x = 77,684.46 × 38,310.75
  4. Step 4: Simplify right side
    56,246.85x = 2,976,149,925.95
  5. Step 5: Solve for x
    x = 2,976,149,925.95/56,246.85
  6. Step 6: Final answer
    x = 52,912.30

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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.