Home / 117,707.90-162,440.10-63,996.53

Finding the Fourth Proportional to 117,707.90, 162,440.10 and 63,996.53

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Solution

The fourth proportional to 117,707.90, 162,440.10 and 63,996.53 is: 88,316.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,707.90 : 162,440.10 = 63,996.53 : x
  2. Step 2: Convert to fraction form
    117,707.90/162,440.10 = 63,996.53/x
  3. Step 3: Cross multiply
    117,707.90x = 162,440.10 × 63,996.53
  4. Step 4: Simplify right side
    117,707.90x = 10,395,601,920.65
  5. Step 5: Solve for x
    x = 10,395,601,920.65/117,707.90
  6. Step 6: Final answer
    x = 88,316.95

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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.