Home / 56,900.88-85,282.20-40,265.78

Finding the Fourth Proportional to 56,900.88, 85,282.20 and 40,265.78

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Solution

The fourth proportional to 56,900.88, 85,282.20 and 40,265.78 is: 60,349.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,900.88 : 85,282.20 = 40,265.78 : x
  2. Step 2: Convert to fraction form
    56,900.88/85,282.20 = 40,265.78/x
  3. Step 3: Cross multiply
    56,900.88x = 85,282.20 × 40,265.78
  4. Step 4: Simplify right side
    56,900.88x = 3,433,953,876.71
  5. Step 5: Solve for x
    x = 3,433,953,876.71/56,900.88
  6. Step 6: Final answer
    x = 60,349.75

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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.