Home / 99,733.53-137,645.07-57,300.27

Finding the Fourth Proportional to 99,733.53, 137,645.07 and 57,300.27

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Solution

The fourth proportional to 99,733.53, 137,645.07 and 57,300.27 is: 79,081.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,733.53 : 137,645.07 = 57,300.27 : x
  2. Step 2: Convert to fraction form
    99,733.53/137,645.07 = 57,300.27/x
  3. Step 3: Cross multiply
    99,733.53x = 137,645.07 × 57,300.27
  4. Step 4: Simplify right side
    99,733.53x = 7,887,099,675.17
  5. Step 5: Solve for x
    x = 7,887,099,675.17/99,733.53
  6. Step 6: Final answer
    x = 79,081.73

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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.