Home / 99,589.13-149,438.38-46,997.25

Finding the Fourth Proportional to 99,589.13, 149,438.38 and 46,997.25

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Solution

The fourth proportional to 99,589.13, 149,438.38 and 46,997.25 is: 70,521.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,589.13 : 149,438.38 = 46,997.25 : x
  2. Step 2: Convert to fraction form
    99,589.13/149,438.38 = 46,997.25/x
  3. Step 3: Cross multiply
    99,589.13x = 149,438.38 × 46,997.25
  4. Step 4: Simplify right side
    99,589.13x = 7,023,192,904.46
  5. Step 5: Solve for x
    x = 7,023,192,904.46/99,589.13
  6. Step 6: Final answer
    x = 70,521.68

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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.