Home / 84,019.44-126,050.60-27,875.20

Finding the Fourth Proportional to 84,019.44, 126,050.60 and 27,875.20

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Solution

The fourth proportional to 84,019.44, 126,050.60 and 27,875.20 is: 41,819.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,019.44 : 126,050.60 = 27,875.20 : x
  2. Step 2: Convert to fraction form
    84,019.44/126,050.60 = 27,875.20/x
  3. Step 3: Cross multiply
    84,019.44x = 126,050.60 × 27,875.20
  4. Step 4: Simplify right side
    84,019.44x = 3,513,685,685.12
  5. Step 5: Solve for x
    x = 3,513,685,685.12/84,019.44
  6. Step 6: Final answer
    x = 41,819.91

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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.