Home / 56,167.61-77,542.43-38,288.88

Finding the Fourth Proportional to 56,167.61, 77,542.43 and 38,288.88

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Solution

The fourth proportional to 56,167.61, 77,542.43 and 38,288.88 is: 52,859.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,167.61 : 77,542.43 = 38,288.88 : x
  2. Step 2: Convert to fraction form
    56,167.61/77,542.43 = 38,288.88/x
  3. Step 3: Cross multiply
    56,167.61x = 77,542.43 × 38,288.88
  4. Step 4: Simplify right side
    56,167.61x = 2,969,012,797.18
  5. Step 5: Solve for x
    x = 2,969,012,797.18/56,167.61
  6. Step 6: Final answer
    x = 52,859.87

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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.