Home / 66,077.61-91,187.19-35,862.93

Finding the Fourth Proportional to 66,077.61, 91,187.19 and 35,862.93

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Solution

The fourth proportional to 66,077.61, 91,187.19 and 35,862.93 is: 49,490.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,077.61 : 91,187.19 = 35,862.93 : x
  2. Step 2: Convert to fraction form
    66,077.61/91,187.19 = 35,862.93/x
  3. Step 3: Cross multiply
    66,077.61x = 91,187.19 × 35,862.93
  4. Step 4: Simplify right side
    66,077.61x = 3,270,239,404.58
  5. Step 5: Solve for x
    x = 3,270,239,404.58/66,077.61
  6. Step 6: Final answer
    x = 49,490.89

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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.