Home / 66,538.16-91,781.88-45,326.96

Finding the Fourth Proportional to 66,538.16, 91,781.88 and 45,326.96

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Solution

The fourth proportional to 66,538.16, 91,781.88 and 45,326.96 is: 62,523.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,538.16 : 91,781.88 = 45,326.96 : x
  2. Step 2: Convert to fraction form
    66,538.16/91,781.88 = 45,326.96/x
  3. Step 3: Cross multiply
    66,538.16x = 91,781.88 × 45,326.96
  4. Step 4: Simplify right side
    66,538.16x = 4,160,193,603.48
  5. Step 5: Solve for x
    x = 4,160,193,603.48/66,538.16
  6. Step 6: Final answer
    x = 62,523.42

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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.