Home / 91,541.72-137,401.14-44,190.20

Finding the Fourth Proportional to 91,541.72, 137,401.14 and 44,190.20

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Solution

The fourth proportional to 91,541.72, 137,401.14 and 44,190.20 is: 66,328.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,541.72 : 137,401.14 = 44,190.20 : x
  2. Step 2: Convert to fraction form
    91,541.72/137,401.14 = 44,190.20/x
  3. Step 3: Cross multiply
    91,541.72x = 137,401.14 × 44,190.20
  4. Step 4: Simplify right side
    91,541.72x = 6,071,783,856.83
  5. Step 5: Solve for x
    x = 6,071,783,856.83/91,541.72
  6. Step 6: Final answer
    x = 66,328.05

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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.