Home / 106,770.09-147,335.40-59,016.90

Finding the Fourth Proportional to 106,770.09, 147,335.40 and 59,016.90

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Solution

The fourth proportional to 106,770.09, 147,335.40 and 59,016.90 is: 81,439.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,770.09 : 147,335.40 = 59,016.90 : x
  2. Step 2: Convert to fraction form
    106,770.09/147,335.40 = 59,016.90/x
  3. Step 3: Cross multiply
    106,770.09x = 147,335.40 × 59,016.90
  4. Step 4: Simplify right side
    106,770.09x = 8,695,278,568.26
  5. Step 5: Solve for x
    x = 8,695,278,568.26/106,770.09
  6. Step 6: Final answer
    x = 81,439.27

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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.