Home / 117,635.30-162,337.74-63,920.31

Finding the Fourth Proportional to 117,635.30, 162,337.74 and 63,920.31

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Solution

The fourth proportional to 117,635.30, 162,337.74 and 63,920.31 is: 88,210.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,635.30 : 162,337.74 = 63,920.31 : x
  2. Step 2: Convert to fraction form
    117,635.30/162,337.74 = 63,920.31/x
  3. Step 3: Cross multiply
    117,635.30x = 162,337.74 × 63,920.31
  4. Step 4: Simplify right side
    117,635.30x = 10,376,679,034.56
  5. Step 5: Solve for x
    x = 10,376,679,034.56/117,635.30
  6. Step 6: Final answer
    x = 88,210.59

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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.