Home / 113,539.80-170,414.82-57,419.64

Finding the Fourth Proportional to 113,539.80, 170,414.82 and 57,419.64

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Solution

The fourth proportional to 113,539.80, 170,414.82 and 57,419.64 is: 86,182.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,539.80 : 170,414.82 = 57,419.64 : x
  2. Step 2: Convert to fraction form
    113,539.80/170,414.82 = 57,419.64/x
  3. Step 3: Cross multiply
    113,539.80x = 170,414.82 × 57,419.64
  4. Step 4: Simplify right side
    113,539.80x = 9,785,157,615.06
  5. Step 5: Solve for x
    x = 9,785,157,615.06/113,539.80
  6. Step 6: Final answer
    x = 86,182.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.