Home / 56,652.08-78,180.82-31,159.58

Finding the Fourth Proportional to 56,652.08, 78,180.82 and 31,159.58

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Solution

The fourth proportional to 56,652.08, 78,180.82 and 31,159.58 is: 43,000.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,652.08 : 78,180.82 = 31,159.58 : x
  2. Step 2: Convert to fraction form
    56,652.08/78,180.82 = 31,159.58/x
  3. Step 3: Cross multiply
    56,652.08x = 78,180.82 × 31,159.58
  4. Step 4: Simplify right side
    56,652.08x = 2,436,081,046.45
  5. Step 5: Solve for x
    x = 2,436,081,046.45/56,652.08
  6. Step 6: Final answer
    x = 43,000.74

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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.