Home / 91,808.06-137,712.69-25,255.22

Finding the Fourth Proportional to 91,808.06, 137,712.69 and 25,255.22

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Solution

The fourth proportional to 91,808.06, 137,712.69 and 25,255.22 is: 37,882.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,808.06 : 137,712.69 = 25,255.22 : x
  2. Step 2: Convert to fraction form
    91,808.06/137,712.69 = 25,255.22/x
  3. Step 3: Cross multiply
    91,808.06x = 137,712.69 × 25,255.22
  4. Step 4: Simplify right side
    91,808.06x = 3,477,963,594.18
  5. Step 5: Solve for x
    x = 3,477,963,594.18/91,808.06
  6. Step 6: Final answer
    x = 37,882.99

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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.