Home / 112,886.76-169,330.14-38,000.64

Finding the Fourth Proportional to 112,886.76, 169,330.14 and 38,000.64

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Solution

The fourth proportional to 112,886.76, 169,330.14 and 38,000.64 is: 57,000.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,886.76 : 169,330.14 = 38,000.64 : x
  2. Step 2: Convert to fraction form
    112,886.76/169,330.14 = 38,000.64/x
  3. Step 3: Cross multiply
    112,886.76x = 169,330.14 × 38,000.64
  4. Step 4: Simplify right side
    112,886.76x = 6,434,653,691.29
  5. Step 5: Solve for x
    x = 6,434,653,691.29/112,886.76
  6. Step 6: Final answer
    x = 57,000.96

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1.5x scale

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.