Home / 99,514.56-137,330.97-54,192.74

Finding the Fourth Proportional to 99,514.56, 137,330.97 and 54,192.74

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Solution

The fourth proportional to 99,514.56, 137,330.97 and 54,192.74 is: 74,786.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,514.56 : 137,330.97 = 54,192.74 : x
  2. Step 2: Convert to fraction form
    99,514.56/137,330.97 = 54,192.74/x
  3. Step 3: Cross multiply
    99,514.56x = 137,330.97 × 54,192.74
  4. Step 4: Simplify right side
    99,514.56x = 7,442,340,864.50
  5. Step 5: Solve for x
    x = 7,442,340,864.50/99,514.56
  6. Step 6: Final answer
    x = 74,786.45

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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.