Home / 106,519.77-146,996.96-58,772.70

Finding the Fourth Proportional to 106,519.77, 146,996.96 and 58,772.70

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Solution

The fourth proportional to 106,519.77, 146,996.96 and 58,772.70 is: 81,106.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,519.77 : 146,996.96 = 58,772.70 : x
  2. Step 2: Convert to fraction form
    106,519.77/146,996.96 = 58,772.70/x
  3. Step 3: Cross multiply
    106,519.77x = 146,996.96 × 58,772.70
  4. Step 4: Simplify right side
    106,519.77x = 8,639,407,937.13
  5. Step 5: Solve for x
    x = 8,639,407,937.13/106,519.77
  6. Step 6: Final answer
    x = 81,106.15

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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.