Home / 66,584.93-91,876.29-39,357.23

Finding the Fourth Proportional to 66,584.93, 91,876.29 and 39,357.23

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Solution

The fourth proportional to 66,584.93, 91,876.29 and 39,357.23 is: 54,306.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,584.93 : 91,876.29 = 39,357.23 : x
  2. Step 2: Convert to fraction form
    66,584.93/91,876.29 = 39,357.23/x
  3. Step 3: Cross multiply
    66,584.93x = 91,876.29 × 39,357.23
  4. Step 4: Simplify right side
    66,584.93x = 3,615,996,277.08
  5. Step 5: Solve for x
    x = 3,615,996,277.08/66,584.93
  6. Step 6: Final answer
    x = 54,306.53

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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.