Home / 66,131.55-99,197.29-26,679.42

Finding the Fourth Proportional to 66,131.55, 99,197.29 and 26,679.42

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Solution

The fourth proportional to 66,131.55, 99,197.29 and 26,679.42 is: 40,019.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,131.55 : 99,197.29 = 26,679.42 : x
  2. Step 2: Convert to fraction form
    66,131.55/99,197.29 = 26,679.42/x
  3. Step 3: Cross multiply
    66,131.55x = 99,197.29 × 26,679.42
  4. Step 4: Simplify right side
    66,131.55x = 2,646,526,162.77
  5. Step 5: Solve for x
    x = 2,646,526,162.77/66,131.55
  6. Step 6: Final answer
    x = 40,019.12

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1.5x scale

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.