Home / 71,280.20-106,837.62-26,878.52

Finding the Fourth Proportional to 71,280.20, 106,837.62 and 26,878.52

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Solution

The fourth proportional to 71,280.20, 106,837.62 and 26,878.52 is: 40,286.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,280.20 : 106,837.62 = 26,878.52 : x
  2. Step 2: Convert to fraction form
    71,280.20/106,837.62 = 26,878.52/x
  3. Step 3: Cross multiply
    71,280.20x = 106,837.62 × 26,878.52
  4. Step 4: Simplify right side
    71,280.20x = 2,871,637,105.92
  5. Step 5: Solve for x
    x = 2,871,637,105.92/71,280.20
  6. Step 6: Final answer
    x = 40,286.60

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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.