Home / 91,605.66-137,175.21-60,346.14

Finding the Fourth Proportional to 91,605.66, 137,175.21 and 60,346.14

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Solution

The fourth proportional to 91,605.66, 137,175.21 and 60,346.14 is: 90,365.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,605.66 : 137,175.21 = 60,346.14 : x
  2. Step 2: Convert to fraction form
    91,605.66/137,175.21 = 60,346.14/x
  3. Step 3: Cross multiply
    91,605.66x = 137,175.21 × 60,346.14
  4. Step 4: Simplify right side
    91,605.66x = 8,277,994,427.19
  5. Step 5: Solve for x
    x = 8,277,994,427.19/91,605.66
  6. Step 6: Final answer
    x = 90,365.53

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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.