Home / 99,388.26-137,107.53-59,073.44

Finding the Fourth Proportional to 99,388.26, 137,107.53 and 59,073.44

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Solution

The fourth proportional to 99,388.26, 137,107.53 and 59,073.44 is: 81,492.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,388.26 : 137,107.53 = 59,073.44 : x
  2. Step 2: Convert to fraction form
    99,388.26/137,107.53 = 59,073.44/x
  3. Step 3: Cross multiply
    99,388.26x = 137,107.53 × 59,073.44
  4. Step 4: Simplify right side
    99,388.26x = 8,099,412,761.47
  5. Step 5: Solve for x
    x = 8,099,412,761.47/99,388.26
  6. Step 6: Final answer
    x = 81,492.65

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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.