Home / 63,850.97-88,116.62-39,665.18

Finding the Fourth Proportional to 63,850.97, 88,116.62 and 39,665.18

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Solution

The fourth proportional to 63,850.97, 88,116.62 and 39,665.18 is: 54,739.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,850.97 : 88,116.62 = 39,665.18 : x
  2. Step 2: Convert to fraction form
    63,850.97/88,116.62 = 39,665.18/x
  3. Step 3: Cross multiply
    63,850.97x = 88,116.62 × 39,665.18
  4. Step 4: Simplify right side
    63,850.97x = 3,495,161,615.26
  5. Step 5: Solve for x
    x = 3,495,161,615.26/63,850.97
  6. Step 6: Final answer
    x = 54,739.36

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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.