Home / 99,528.62-137,347.43-54,207.41

Finding the Fourth Proportional to 99,528.62, 137,347.43 and 54,207.41

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Solution

The fourth proportional to 99,528.62, 137,347.43 and 54,207.41 is: 74,805.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,528.62 : 137,347.43 = 54,207.41 : x
  2. Step 2: Convert to fraction form
    99,528.62/137,347.43 = 54,207.41/x
  3. Step 3: Cross multiply
    99,528.62x = 137,347.43 × 54,207.41
  4. Step 4: Simplify right side
    99,528.62x = 7,445,247,492.68
  5. Step 5: Solve for x
    x = 7,445,247,492.68/99,528.62
  6. Step 6: Final answer
    x = 74,805.09

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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.