Home / 56,298.35-77,701.20-36,159.86

Finding the Fourth Proportional to 56,298.35, 77,701.20 and 36,159.86

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Solution

The fourth proportional to 56,298.35, 77,701.20 and 36,159.86 is: 49,906.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,298.35 : 77,701.20 = 36,159.86 : x
  2. Step 2: Convert to fraction form
    56,298.35/77,701.20 = 36,159.86/x
  3. Step 3: Cross multiply
    56,298.35x = 77,701.20 × 36,159.86
  4. Step 4: Simplify right side
    56,298.35x = 2,809,664,513.83
  5. Step 5: Solve for x
    x = 2,809,664,513.83/56,298.35
  6. Step 6: Final answer
    x = 49,906.69

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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.