Home / 108,050.36-149,103.42-60,306.78

Finding the Fourth Proportional to 108,050.36, 149,103.42 and 60,306.78

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Solution

The fourth proportional to 108,050.36, 149,103.42 and 60,306.78 is: 83,219.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,050.36 : 149,103.42 = 60,306.78 : x
  2. Step 2: Convert to fraction form
    108,050.36/149,103.42 = 60,306.78/x
  3. Step 3: Cross multiply
    108,050.36x = 149,103.42 × 60,306.78
  4. Step 4: Simplify right side
    108,050.36x = 8,991,947,147.19
  5. Step 5: Solve for x
    x = 8,991,947,147.19/108,050.36
  6. Step 6: Final answer
    x = 83,219.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.