Home / 110,543.21-152,530.62-62,138.43

Finding the Fourth Proportional to 110,543.21, 152,530.62 and 62,138.43

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Solution

The fourth proportional to 110,543.21, 152,530.62 and 62,138.43 is: 85,740.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,543.21 : 152,530.62 = 62,138.43 : x
  2. Step 2: Convert to fraction form
    110,543.21/152,530.62 = 62,138.43/x
  3. Step 3: Cross multiply
    110,543.21x = 152,530.62 × 62,138.43
  4. Step 4: Simplify right side
    110,543.21x = 9,478,013,253.73
  5. Step 5: Solve for x
    x = 9,478,013,253.73/110,543.21
  6. Step 6: Final answer
    x = 85,740.35

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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.