Home / 112,889.76-169,343.15-38,010.12

Finding the Fourth Proportional to 112,889.76, 169,343.15 and 38,010.12

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Solution

The fourth proportional to 112,889.76, 169,343.15 and 38,010.12 is: 57,018.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,889.76 : 169,343.15 = 38,010.12 : x
  2. Step 2: Convert to fraction form
    112,889.76/169,343.15 = 38,010.12/x
  3. Step 3: Cross multiply
    112,889.76x = 169,343.15 × 38,010.12
  4. Step 4: Simplify right side
    112,889.76x = 6,436,753,262.63
  5. Step 5: Solve for x
    x = 6,436,753,262.63/112,889.76
  6. Step 6: Final answer
    x = 57,018.04

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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.