Home / 66,434.13-91,627.26-42,563.04

Finding the Fourth Proportional to 66,434.13, 91,627.26 and 42,563.04

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Solution

The fourth proportional to 66,434.13, 91,627.26 and 42,563.04 is: 58,703.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,434.13 : 91,627.26 = 42,563.04 : x
  2. Step 2: Convert to fraction form
    66,434.13/91,627.26 = 42,563.04/x
  3. Step 3: Cross multiply
    66,434.13x = 91,627.26 × 42,563.04
  4. Step 4: Simplify right side
    66,434.13x = 3,899,934,732.47
  5. Step 5: Solve for x
    x = 3,899,934,732.47/66,434.13
  6. Step 6: Final answer
    x = 58,703.78

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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.