Home / 56,612.20-77,918.61-49,853.56

Finding the Fourth Proportional to 56,612.20, 77,918.61 and 49,853.56

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Solution

The fourth proportional to 56,612.20, 77,918.61 and 49,853.56 is: 68,616.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,612.20 : 77,918.61 = 49,853.56 : x
  2. Step 2: Convert to fraction form
    56,612.20/77,918.61 = 49,853.56/x
  3. Step 3: Cross multiply
    56,612.20x = 77,918.61 × 49,853.56
  4. Step 4: Simplify right side
    56,612.20x = 3,884,520,098.75
  5. Step 5: Solve for x
    x = 3,884,520,098.75/56,612.20
  6. Step 6: Final answer
    x = 68,616.31

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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.