Home / 81,236.38-112,134.44-55,826.88

Finding the Fourth Proportional to 81,236.38, 112,134.44 and 55,826.88

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Solution

The fourth proportional to 81,236.38, 112,134.44 and 55,826.88 is: 77,060.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,236.38 : 112,134.44 = 55,826.88 : x
  2. Step 2: Convert to fraction form
    81,236.38/112,134.44 = 55,826.88/x
  3. Step 3: Cross multiply
    81,236.38x = 112,134.44 × 55,826.88
  4. Step 4: Simplify right side
    81,236.38x = 6,260,115,925.75
  5. Step 5: Solve for x
    x = 6,260,115,925.75/81,236.38
  6. Step 6: Final answer
    x = 77,060.50

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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.