Home / 66,614.24-91,884.12-42,703.04

Finding the Fourth Proportional to 66,614.24, 91,884.12 and 42,703.04

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Solution

The fourth proportional to 66,614.24, 91,884.12 and 42,703.04 is: 58,902.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,614.24 : 91,884.12 = 42,703.04 : x
  2. Step 2: Convert to fraction form
    66,614.24/91,884.12 = 42,703.04/x
  3. Step 3: Cross multiply
    66,614.24x = 91,884.12 × 42,703.04
  4. Step 4: Simplify right side
    66,614.24x = 3,923,731,251.72
  5. Step 5: Solve for x
    x = 3,923,731,251.72/66,614.24
  6. Step 6: Final answer
    x = 58,902.29

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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.