Home / 91,542.96-137,127.33-67,877.19

Finding the Fourth Proportional to 91,542.96, 137,127.33 and 67,877.19

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Solution

The fourth proportional to 91,542.96, 137,127.33 and 67,877.19 is: 101,677.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,542.96 : 137,127.33 = 67,877.19 : x
  2. Step 2: Convert to fraction form
    91,542.96/137,127.33 = 67,877.19/x
  3. Step 3: Cross multiply
    91,542.96x = 137,127.33 × 67,877.19
  4. Step 4: Simplify right side
    91,542.96x = 9,307,817,832.60
  5. Step 5: Solve for x
    x = 9,307,817,832.60/91,542.96
  6. Step 6: Final answer
    x = 101,677.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.