Home / 89,849.40-134,579.70-48,247.80

Finding the Fourth Proportional to 89,849.40, 134,579.70 and 48,247.80

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Solution

The fourth proportional to 89,849.40, 134,579.70 and 48,247.80 is: 72,267.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,849.40 : 134,579.70 = 48,247.80 : x
  2. Step 2: Convert to fraction form
    89,849.40/134,579.70 = 48,247.80/x
  3. Step 3: Cross multiply
    89,849.40x = 134,579.70 × 48,247.80
  4. Step 4: Simplify right side
    89,849.40x = 6,493,174,449.66
  5. Step 5: Solve for x
    x = 6,493,174,449.66/89,849.40
  6. Step 6: Final answer
    x = 72,267.31

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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.