Home / 66,268.56-99,387.36-42,504.24

Finding the Fourth Proportional to 66,268.56, 99,387.36 and 42,504.24

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Solution

The fourth proportional to 66,268.56, 99,387.36 and 42,504.24 is: 63,746.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,268.56 : 99,387.36 = 42,504.24 : x
  2. Step 2: Convert to fraction form
    66,268.56/99,387.36 = 42,504.24/x
  3. Step 3: Cross multiply
    66,268.56x = 99,387.36 × 42,504.24
  4. Step 4: Simplify right side
    66,268.56x = 4,224,384,202.41
  5. Step 5: Solve for x
    x = 4,224,384,202.41/66,268.56
  6. Step 6: Final answer
    x = 63,746.43

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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.