Home / 89,401.64-134,158.98-49,984.64

Finding the Fourth Proportional to 89,401.64, 134,158.98 and 49,984.64

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Solution

The fourth proportional to 89,401.64, 134,158.98 and 49,984.64 is: 75,008.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,401.64 : 134,158.98 = 49,984.64 : x
  2. Step 2: Convert to fraction form
    89,401.64/134,158.98 = 49,984.64/x
  3. Step 3: Cross multiply
    89,401.64x = 134,158.98 × 49,984.64
  4. Step 4: Simplify right side
    89,401.64x = 6,705,888,318.07
  5. Step 5: Solve for x
    x = 6,705,888,318.07/89,401.64
  6. Step 6: Final answer
    x = 75,008.56

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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.