Home / 98,193.20-135,507.51-55,752.63

Finding the Fourth Proportional to 98,193.20, 135,507.51 and 55,752.63

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Solution

The fourth proportional to 98,193.20, 135,507.51 and 55,752.63 is: 76,939.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,193.20 : 135,507.51 = 55,752.63 : x
  2. Step 2: Convert to fraction form
    98,193.20/135,507.51 = 55,752.63/x
  3. Step 3: Cross multiply
    98,193.20x = 135,507.51 × 55,752.63
  4. Step 4: Simplify right side
    98,193.20x = 7,554,900,067.25
  5. Step 5: Solve for x
    x = 7,554,900,067.25/98,193.20
  6. Step 6: Final answer
    x = 76,939.14

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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.