Home / 117,702.41-162,432.51-63,991.04

Finding the Fourth Proportional to 117,702.41, 162,432.51 and 63,991.04

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Solution

The fourth proportional to 117,702.41, 162,432.51 and 63,991.04 is: 88,309.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,702.41 : 162,432.51 = 63,991.04 : x
  2. Step 2: Convert to fraction form
    117,702.41/162,432.51 = 63,991.04/x
  3. Step 3: Cross multiply
    117,702.41x = 162,432.51 × 63,991.04
  4. Step 4: Simplify right side
    117,702.41x = 10,394,225,244.71
  5. Step 5: Solve for x
    x = 10,394,225,244.71/117,702.41
  6. Step 6: Final answer
    x = 88,309.37

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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.