Home / 125,327.28-187,999.52-50,448

Finding the Fourth Proportional to 125,327.28, 187,999.52 and 50,448

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Solution

The fourth proportional to 125,327.28, 187,999.52 and 50,448 is: 75,675.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,327.28 : 187,999.52 = 50,448 : x
  2. Step 2: Convert to fraction form
    125,327.28/187,999.52 = 50,448/x
  3. Step 3: Cross multiply
    125,327.28x = 187,999.52 × 50,448
  4. Step 4: Simplify right side
    125,327.28x = 9,484,199,784.96
  5. Step 5: Solve for x
    x = 9,484,199,784.96/125,327.28
  6. Step 6: Final answer
    x = 75,675.46

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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.