Home / 56,339.44-77,677.86-36,160.72

Finding the Fourth Proportional to 56,339.44, 77,677.86 and 36,160.72

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Solution

The fourth proportional to 56,339.44, 77,677.86 and 36,160.72 is: 49,856.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,339.44 : 77,677.86 = 36,160.72 : x
  2. Step 2: Convert to fraction form
    56,339.44/77,677.86 = 36,160.72/x
  3. Step 3: Cross multiply
    56,339.44x = 77,677.86 × 36,160.72
  4. Step 4: Simplify right side
    56,339.44x = 2,808,887,345.66
  5. Step 5: Solve for x
    x = 2,808,887,345.66/56,339.44
  6. Step 6: Final answer
    x = 49,856.50

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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.