Home / 99,524.90-137,344.51-54,203.08

Finding the Fourth Proportional to 99,524.90, 137,344.51 and 54,203.08

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Solution

The fourth proportional to 99,524.90, 137,344.51 and 54,203.08 is: 74,800.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,524.90 : 137,344.51 = 54,203.08 : x
  2. Step 2: Convert to fraction form
    99,524.90/137,344.51 = 54,203.08/x
  3. Step 3: Cross multiply
    99,524.90x = 137,344.51 × 54,203.08
  4. Step 4: Simplify right side
    99,524.90x = 7,444,495,463.09
  5. Step 5: Solve for x
    x = 7,444,495,463.09/99,524.90
  6. Step 6: Final answer
    x = 74,800.33

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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.