Home / 66,170.47-91,326.14-48,324.55

Finding the Fourth Proportional to 66,170.47, 91,326.14 and 48,324.55

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Solution

The fourth proportional to 66,170.47, 91,326.14 and 48,324.55 is: 66,695.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,170.47 : 91,326.14 = 48,324.55 : x
  2. Step 2: Convert to fraction form
    66,170.47/91,326.14 = 48,324.55/x
  3. Step 3: Cross multiply
    66,170.47x = 91,326.14 × 48,324.55
  4. Step 4: Simplify right side
    66,170.47x = 4,413,294,618.74
  5. Step 5: Solve for x
    x = 4,413,294,618.74/66,170.47
  6. Step 6: Final answer
    x = 66,695.83

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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.