Home / 66,488.27-99,733.77-22,115.43

Finding the Fourth Proportional to 66,488.27, 99,733.77 and 22,115.43

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Solution

The fourth proportional to 66,488.27, 99,733.77 and 22,115.43 is: 33,173.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,488.27 : 99,733.77 = 22,115.43 : x
  2. Step 2: Convert to fraction form
    66,488.27/99,733.77 = 22,115.43/x
  3. Step 3: Cross multiply
    66,488.27x = 99,733.77 × 22,115.43
  4. Step 4: Simplify right side
    66,488.27x = 2,205,655,209.07
  5. Step 5: Solve for x
    x = 2,205,655,209.07/66,488.27
  6. Step 6: Final answer
    x = 33,173.60

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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.