Home / 91,054.53-136,493.10-41,147.19

Finding the Fourth Proportional to 91,054.53, 136,493.10 and 41,147.19

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Solution

The fourth proportional to 91,054.53, 136,493.10 and 41,147.19 is: 61,680.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,054.53 : 136,493.10 = 41,147.19 : x
  2. Step 2: Convert to fraction form
    91,054.53/136,493.10 = 41,147.19/x
  3. Step 3: Cross multiply
    91,054.53x = 136,493.10 × 41,147.19
  4. Step 4: Simplify right side
    91,054.53x = 5,616,307,519.39
  5. Step 5: Solve for x
    x = 5,616,307,519.39/91,054.53
  6. Step 6: Final answer
    x = 61,680.70

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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.