Home / 106,609.89-147,120.65-58,863.57

Finding the Fourth Proportional to 106,609.89, 147,120.65 and 58,863.57

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Solution

The fourth proportional to 106,609.89, 147,120.65 and 58,863.57 is: 81,231.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,609.89 : 147,120.65 = 58,863.57 : x
  2. Step 2: Convert to fraction form
    106,609.89/147,120.65 = 58,863.57/x
  3. Step 3: Cross multiply
    106,609.89x = 147,120.65 × 58,863.57
  4. Step 4: Simplify right side
    106,609.89x = 8,660,046,385.40
  5. Step 5: Solve for x
    x = 8,660,046,385.40/106,609.89
  6. Step 6: Final answer
    x = 81,231.17

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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.