Home / 84,365.20-126,693.60-44,999.20

Finding the Fourth Proportional to 84,365.20, 126,693.60 and 44,999.20

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Solution

The fourth proportional to 84,365.20, 126,693.60 and 44,999.20 is: 67,576.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,365.20 : 126,693.60 = 44,999.20 : x
  2. Step 2: Convert to fraction form
    84,365.20/126,693.60 = 44,999.20/x
  3. Step 3: Cross multiply
    84,365.20x = 126,693.60 × 44,999.20
  4. Step 4: Simplify right side
    84,365.20x = 5,701,110,645.12
  5. Step 5: Solve for x
    x = 5,701,110,645.12/84,365.20
  6. Step 6: Final answer
    x = 67,576.57

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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.