Home / 91,714.20-126,591.84-54,010.32

Finding the Fourth Proportional to 91,714.20, 126,591.84 and 54,010.32

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Solution

The fourth proportional to 91,714.20, 126,591.84 and 54,010.32 is: 74,549.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,714.20 : 126,591.84 = 54,010.32 : x
  2. Step 2: Convert to fraction form
    91,714.20/126,591.84 = 54,010.32/x
  3. Step 3: Cross multiply
    91,714.20x = 126,591.84 × 54,010.32
  4. Step 4: Simplify right side
    91,714.20x = 6,837,265,787.79
  5. Step 5: Solve for x
    x = 6,837,265,787.79/91,714.20
  6. Step 6: Final answer
    x = 74,549.70

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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.