Home / 99,566.42-137,401.09-54,244.31

Finding the Fourth Proportional to 99,566.42, 137,401.09 and 54,244.31

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Solution

The fourth proportional to 99,566.42, 137,401.09 and 54,244.31 is: 74,856.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,566.42 : 137,401.09 = 54,244.31 : x
  2. Step 2: Convert to fraction form
    99,566.42/137,401.09 = 54,244.31/x
  3. Step 3: Cross multiply
    99,566.42x = 137,401.09 × 54,244.31
  4. Step 4: Simplify right side
    99,566.42x = 7,453,226,497.68
  5. Step 5: Solve for x
    x = 7,453,226,497.68/99,566.42
  6. Step 6: Final answer
    x = 74,856.83

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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.