Home / 66,272.74-91,458.91-37,983.90

Finding the Fourth Proportional to 66,272.74, 91,458.91 and 37,983.90

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Solution

The fourth proportional to 66,272.74, 91,458.91 and 37,983.90 is: 52,419.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,272.74 : 91,458.91 = 37,983.90 : x
  2. Step 2: Convert to fraction form
    66,272.74/91,458.91 = 37,983.90/x
  3. Step 3: Cross multiply
    66,272.74x = 91,458.91 × 37,983.90
  4. Step 4: Simplify right side
    66,272.74x = 3,473,966,091.55
  5. Step 5: Solve for x
    x = 3,473,966,091.55/66,272.74
  6. Step 6: Final answer
    x = 52,419.23

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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.