Home / 99,817.41-137,745.87-54,493.18

Finding the Fourth Proportional to 99,817.41, 137,745.87 and 54,493.18

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Solution

The fourth proportional to 99,817.41, 137,745.87 and 54,493.18 is: 75,199.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,817.41 : 137,745.87 = 54,493.18 : x
  2. Step 2: Convert to fraction form
    99,817.41/137,745.87 = 54,493.18/x
  3. Step 3: Cross multiply
    99,817.41x = 137,745.87 × 54,493.18
  4. Step 4: Simplify right side
    99,817.41x = 7,506,210,488.17
  5. Step 5: Solve for x
    x = 7,506,210,488.17/99,817.41
  6. Step 6: Final answer
    x = 75,199.41

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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.