Home / 67,082.78-92,570.47-40,211.84

Finding the Fourth Proportional to 67,082.78, 92,570.47 and 40,211.84

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Solution

The fourth proportional to 67,082.78, 92,570.47 and 40,211.84 is: 55,490.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,082.78 : 92,570.47 = 40,211.84 : x
  2. Step 2: Convert to fraction form
    67,082.78/92,570.47 = 40,211.84/x
  3. Step 3: Cross multiply
    67,082.78x = 92,570.47 × 40,211.84
  4. Step 4: Simplify right side
    67,082.78x = 3,722,428,928.36
  5. Step 5: Solve for x
    x = 3,722,428,928.36/67,082.78
  6. Step 6: Final answer
    x = 55,490.08

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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.