Home / 56,226.28-77,589.38-31,070.92

Finding the Fourth Proportional to 56,226.28, 77,589.38 and 31,070.92

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Solution

The fourth proportional to 56,226.28, 77,589.38 and 31,070.92 is: 42,876.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,226.28 : 77,589.38 = 31,070.92 : x
  2. Step 2: Convert to fraction form
    56,226.28/77,589.38 = 31,070.92/x
  3. Step 3: Cross multiply
    56,226.28x = 77,589.38 × 31,070.92
  4. Step 4: Simplify right side
    56,226.28x = 2,410,773,418.83
  5. Step 5: Solve for x
    x = 2,410,773,418.83/56,226.28
  6. Step 6: Final answer
    x = 42,876.27

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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.