Home / 89,531.80-123,544.20-51,799

Finding the Fourth Proportional to 89,531.80, 123,544.20 and 51,799

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Solution

The fourth proportional to 89,531.80, 123,544.20 and 51,799 is: 71,477.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,531.80 : 123,544.20 = 51,799 : x
  2. Step 2: Convert to fraction form
    89,531.80/123,544.20 = 51,799/x
  3. Step 3: Cross multiply
    89,531.80x = 123,544.20 × 51,799
  4. Step 4: Simplify right side
    89,531.80x = 6,399,466,015.80
  5. Step 5: Solve for x
    x = 6,399,466,015.80/89,531.80
  6. Step 6: Final answer
    x = 71,477.02

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1.5x scale

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.