Home / 112,178.83-168,127.92-56,034.61

Finding the Fourth Proportional to 112,178.83, 168,127.92 and 56,034.61

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Solution

The fourth proportional to 112,178.83, 168,127.92 and 56,034.61 is: 83,981.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,178.83 : 168,127.92 = 56,034.61 : x
  2. Step 2: Convert to fraction form
    112,178.83/168,127.92 = 56,034.61/x
  3. Step 3: Cross multiply
    112,178.83x = 168,127.92 × 56,034.61
  4. Step 4: Simplify right side
    112,178.83x = 9,420,982,427.31
  5. Step 5: Solve for x
    x = 9,420,982,427.31/112,178.83
  6. Step 6: Final answer
    x = 83,981.82

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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.