Home / 117,711.04-162,440.43-63,996.05

Finding the Fourth Proportional to 117,711.04, 162,440.43 and 63,996.05

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Solution

The fourth proportional to 117,711.04, 162,440.43 and 63,996.05 is: 88,314.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,711.04 : 162,440.43 = 63,996.05 : x
  2. Step 2: Convert to fraction form
    117,711.04/162,440.43 = 63,996.05/x
  3. Step 3: Cross multiply
    117,711.04x = 162,440.43 × 63,996.05
  4. Step 4: Simplify right side
    117,711.04x = 10,395,545,560.32
  5. Step 5: Solve for x
    x = 10,395,545,560.32/117,711.04
  6. Step 6: Final answer
    x = 88,314.11

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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.