Home / 99,524.25-137,343.47-57,085.52

Finding the Fourth Proportional to 99,524.25, 137,343.47 and 57,085.52

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Solution

The fourth proportional to 99,524.25, 137,343.47 and 57,085.52 is: 78,778.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,524.25 : 137,343.47 = 57,085.52 : x
  2. Step 2: Convert to fraction form
    99,524.25/137,343.47 = 57,085.52/x
  3. Step 3: Cross multiply
    99,524.25x = 137,343.47 × 57,085.52
  4. Step 4: Simplify right side
    99,524.25x = 7,840,322,431.41
  5. Step 5: Solve for x
    x = 7,840,322,431.41/99,524.25
  6. Step 6: Final answer
    x = 78,778.01

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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.