Home / 66,451.47-99,675.78-22,078.59

Finding the Fourth Proportional to 66,451.47, 99,675.78 and 22,078.59

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Solution

The fourth proportional to 66,451.47, 99,675.78 and 22,078.59 is: 33,117.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,451.47 : 99,675.78 = 22,078.59 : x
  2. Step 2: Convert to fraction form
    66,451.47/99,675.78 = 22,078.59/x
  3. Step 3: Cross multiply
    66,451.47x = 99,675.78 × 22,078.59
  4. Step 4: Simplify right side
    66,451.47x = 2,200,700,679.55
  5. Step 5: Solve for x
    x = 2,200,700,679.55/66,451.47
  6. Step 6: Final answer
    x = 33,117.41

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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.