Home / 99,272.71-148,933.50-49,376.44

Finding the Fourth Proportional to 99,272.71, 148,933.50 and 49,376.44

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Solution

The fourth proportional to 99,272.71, 148,933.50 and 49,376.44 is: 74,076.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,272.71 : 148,933.50 = 49,376.44 : x
  2. Step 2: Convert to fraction form
    99,272.71/148,933.50 = 49,376.44/x
  3. Step 3: Cross multiply
    99,272.71x = 148,933.50 × 49,376.44
  4. Step 4: Simplify right side
    99,272.71x = 7,353,806,026.74
  5. Step 5: Solve for x
    x = 7,353,806,026.74/99,272.71
  6. Step 6: Final answer
    x = 74,076.81

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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.