Home / 99,566.40-149,288.28-48,900.96

Finding the Fourth Proportional to 99,566.40, 149,288.28 and 48,900.96

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Solution

The fourth proportional to 99,566.40, 149,288.28 and 48,900.96 is: 73,321.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,566.40 : 149,288.28 = 48,900.96 : x
  2. Step 2: Convert to fraction form
    99,566.40/149,288.28 = 48,900.96/x
  3. Step 3: Cross multiply
    99,566.40x = 149,288.28 × 48,900.96
  4. Step 4: Simplify right side
    99,566.40x = 7,300,340,208.75
  5. Step 5: Solve for x
    x = 7,300,340,208.75/99,566.40
  6. Step 6: Final answer
    x = 73,321.32

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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.