Home / 68,431.24-94,444.50-40,146.04

Finding the Fourth Proportional to 68,431.24, 94,444.50 and 40,146.04

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Solution

The fourth proportional to 68,431.24, 94,444.50 and 40,146.04 is: 55,407.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,431.24 : 94,444.50 = 40,146.04 : x
  2. Step 2: Convert to fraction form
    68,431.24/94,444.50 = 40,146.04/x
  3. Step 3: Cross multiply
    68,431.24x = 94,444.50 × 40,146.04
  4. Step 4: Simplify right side
    68,431.24x = 3,791,572,674.78
  5. Step 5: Solve for x
    x = 3,791,572,674.78/68,431.24
  6. Step 6: Final answer
    x = 55,407.04

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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.