Home / 66,116.47-91,240.39-35,901.52

Finding the Fourth Proportional to 66,116.47, 91,240.39 and 35,901.52

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Solution

The fourth proportional to 66,116.47, 91,240.39 and 35,901.52 is: 49,543.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,116.47 : 91,240.39 = 35,901.52 : x
  2. Step 2: Convert to fraction form
    66,116.47/91,240.39 = 35,901.52/x
  3. Step 3: Cross multiply
    66,116.47x = 91,240.39 × 35,901.52
  4. Step 4: Simplify right side
    66,116.47x = 3,275,668,800.78
  5. Step 5: Solve for x
    x = 3,275,668,800.78/66,116.47
  6. Step 6: Final answer
    x = 49,543.92

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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.