Home / 127,821.70-191,732.55-48,895.30

Finding the Fourth Proportional to 127,821.70, 191,732.55 and 48,895.30

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Solution

The fourth proportional to 127,821.70, 191,732.55 and 48,895.30 is: 73,342.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,821.70 : 191,732.55 = 48,895.30 : x
  2. Step 2: Convert to fraction form
    127,821.70/191,732.55 = 48,895.30/x
  3. Step 3: Cross multiply
    127,821.70x = 191,732.55 × 48,895.30
  4. Step 4: Simplify right side
    127,821.70x = 9,374,820,552.02
  5. Step 5: Solve for x
    x = 9,374,820,552.02/127,821.70
  6. Step 6: Final answer
    x = 73,342.95

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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.