Home / 66,455.58-99,700.17-22,082.55

Finding the Fourth Proportional to 66,455.58, 99,700.17 and 22,082.55

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Solution

The fourth proportional to 66,455.58, 99,700.17 and 22,082.55 is: 33,129.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,455.58 : 99,700.17 = 22,082.55 : x
  2. Step 2: Convert to fraction form
    66,455.58/99,700.17 = 22,082.55/x
  3. Step 3: Cross multiply
    66,455.58x = 99,700.17 × 22,082.55
  4. Step 4: Simplify right side
    66,455.58x = 2,201,633,989.03
  5. Step 5: Solve for x
    x = 2,201,633,989.03/66,455.58
  6. Step 6: Final answer
    x = 33,129.41

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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.