Home / 98,986.20-136,604.17-55,966.96

Finding the Fourth Proportional to 98,986.20, 136,604.17 and 55,966.96

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Solution

The fourth proportional to 98,986.20, 136,604.17 and 55,966.96 is: 77,236.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,986.20 : 136,604.17 = 55,966.96 : x
  2. Step 2: Convert to fraction form
    98,986.20/136,604.17 = 55,966.96/x
  3. Step 3: Cross multiply
    98,986.20x = 136,604.17 × 55,966.96
  4. Step 4: Simplify right side
    98,986.20x = 7,645,320,118.22
  5. Step 5: Solve for x
    x = 7,645,320,118.22/98,986.20
  6. Step 6: Final answer
    x = 77,236.22

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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.