Home / 99,827.44-137,761.86-57,410.57

Finding the Fourth Proportional to 99,827.44, 137,761.86 and 57,410.57

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Solution

The fourth proportional to 99,827.44, 137,761.86 and 57,410.57 is: 79,226.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,827.44 : 137,761.86 = 57,410.57 : x
  2. Step 2: Convert to fraction form
    99,827.44/137,761.86 = 57,410.57/x
  3. Step 3: Cross multiply
    99,827.44x = 137,761.86 × 57,410.57
  4. Step 4: Simplify right side
    99,827.44x = 7,908,987,466.55
  5. Step 5: Solve for x
    x = 7,908,987,466.55/99,827.44
  6. Step 6: Final answer
    x = 79,226.59

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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.