Home / 99,376.42-149,064.64-29,255.74

Finding the Fourth Proportional to 99,376.42, 149,064.64 and 29,255.74

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Solution

The fourth proportional to 99,376.42, 149,064.64 and 29,255.74 is: 43,883.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,376.42 : 149,064.64 = 29,255.74 : x
  2. Step 2: Convert to fraction form
    99,376.42/149,064.64 = 29,255.74/x
  3. Step 3: Cross multiply
    99,376.42x = 149,064.64 × 29,255.74
  4. Step 4: Simplify right side
    99,376.42x = 4,360,996,351.03
  5. Step 5: Solve for x
    x = 4,360,996,351.03/99,376.42
  6. Step 6: Final answer
    x = 43,883.61

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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.