Home / 48,000.78-72,027.09-23,376.78

Finding the Fourth Proportional to 48,000.78, 72,027.09 and 23,376.78

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Solution

The fourth proportional to 48,000.78, 72,027.09 and 23,376.78 is: 35,077.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,000.78 : 72,027.09 = 23,376.78 : x
  2. Step 2: Convert to fraction form
    48,000.78/72,027.09 = 23,376.78/x
  3. Step 3: Cross multiply
    48,000.78x = 72,027.09 × 23,376.78
  4. Step 4: Simplify right side
    48,000.78x = 1,683,761,436.97
  5. Step 5: Solve for x
    x = 1,683,761,436.97/48,000.78
  6. Step 6: Final answer
    x = 35,077.79

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1.5x scale

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.