Home / 117,566.06-162,251.17-66,587.69

Finding the Fourth Proportional to 117,566.06, 162,251.17 and 66,587.69

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Solution

The fourth proportional to 117,566.06, 162,251.17 and 66,587.69 is: 91,896.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,566.06 : 162,251.17 = 66,587.69 : x
  2. Step 2: Convert to fraction form
    117,566.06/162,251.17 = 66,587.69/x
  3. Step 3: Cross multiply
    117,566.06x = 162,251.17 × 66,587.69
  4. Step 4: Simplify right side
    117,566.06x = 10,803,930,849.26
  5. Step 5: Solve for x
    x = 10,803,930,849.26/117,566.06
  6. Step 6: Final answer
    x = 91,896.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.