Home / 112,956.12-169,326.50-38,037.70

Finding the Fourth Proportional to 112,956.12, 169,326.50 and 38,037.70

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Solution

The fourth proportional to 112,956.12, 169,326.50 and 38,037.70 is: 57,020.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,956.12 : 169,326.50 = 38,037.70 : x
  2. Step 2: Convert to fraction form
    112,956.12/169,326.50 = 38,037.70/x
  3. Step 3: Cross multiply
    112,956.12x = 169,326.50 × 38,037.70
  4. Step 4: Simplify right side
    112,956.12x = 6,440,790,844.48
  5. Step 5: Solve for x
    x = 6,440,790,844.48/112,956.12
  6. Step 6: Final answer
    x = 57,020.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.