Home / 99,544.13-137,370.90-54,832.13

Finding the Fourth Proportional to 99,544.13, 137,370.90 and 54,832.13

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Solution

The fourth proportional to 99,544.13, 137,370.90 and 54,832.13 is: 75,668.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,544.13 : 137,370.90 = 54,832.13 : x
  2. Step 2: Convert to fraction form
    99,544.13/137,370.90 = 54,832.13/x
  3. Step 3: Cross multiply
    99,544.13x = 137,370.90 × 54,832.13
  4. Step 4: Simplify right side
    99,544.13x = 7,532,338,360.16
  5. Step 5: Solve for x
    x = 7,532,338,360.16/99,544.13
  6. Step 6: Final answer
    x = 75,668.34

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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.