Home / 112,907.91-169,340.25-56,732.46

Finding the Fourth Proportional to 112,907.91, 169,340.25 and 56,732.46

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Solution

The fourth proportional to 112,907.91, 169,340.25 and 56,732.46 is: 85,087.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,907.91 : 169,340.25 = 56,732.46 : x
  2. Step 2: Convert to fraction form
    112,907.91/169,340.25 = 56,732.46/x
  3. Step 3: Cross multiply
    112,907.91x = 169,340.25 × 56,732.46
  4. Step 4: Simplify right side
    112,907.91x = 9,607,088,959.52
  5. Step 5: Solve for x
    x = 9,607,088,959.52/112,907.91
  6. Step 6: Final answer
    x = 85,087.83

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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.