Home / 117,474.66-162,115.14-63,759.69

Finding the Fourth Proportional to 117,474.66, 162,115.14 and 63,759.69

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Solution

The fourth proportional to 117,474.66, 162,115.14 and 63,759.69 is: 87,988.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,474.66 : 162,115.14 = 63,759.69 : x
  2. Step 2: Convert to fraction form
    117,474.66/162,115.14 = 63,759.69/x
  3. Step 3: Cross multiply
    117,474.66x = 162,115.14 × 63,759.69
  4. Step 4: Simplify right side
    117,474.66x = 10,336,411,070.71
  5. Step 5: Solve for x
    x = 10,336,411,070.71/117,474.66
  6. Step 6: Final answer
    x = 87,988.43

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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.