Home / 111,691.16-167,296.14-52,438.04

Finding the Fourth Proportional to 111,691.16, 167,296.14 and 52,438.04

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Solution

The fourth proportional to 111,691.16, 167,296.14 and 52,438.04 is: 78,544.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,691.16 : 167,296.14 = 52,438.04 : x
  2. Step 2: Convert to fraction form
    111,691.16/167,296.14 = 52,438.04/x
  3. Step 3: Cross multiply
    111,691.16x = 167,296.14 × 52,438.04
  4. Step 4: Simplify right side
    111,691.16x = 8,772,681,681.17
  5. Step 5: Solve for x
    x = 8,772,681,681.17/111,691.16
  6. Step 6: Final answer
    x = 78,544.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.