Home / 56,179.24-77,350.47-47,663.71

Finding the Fourth Proportional to 56,179.24, 77,350.47 and 47,663.71

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Solution

The fourth proportional to 56,179.24, 77,350.47 and 47,663.71 is: 65,625.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,179.24 : 77,350.47 = 47,663.71 : x
  2. Step 2: Convert to fraction form
    56,179.24/77,350.47 = 47,663.71/x
  3. Step 3: Cross multiply
    56,179.24x = 77,350.47 × 47,663.71
  4. Step 4: Simplify right side
    56,179.24x = 3,686,810,370.44
  5. Step 5: Solve for x
    x = 3,686,810,370.44/56,179.24
  6. Step 6: Final answer
    x = 65,625.85

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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.