Home / 108,451.85-149,662.08-60,705.18

Finding the Fourth Proportional to 108,451.85, 149,662.08 and 60,705.18

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Solution

The fourth proportional to 108,451.85, 149,662.08 and 60,705.18 is: 83,772.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,451.85 : 149,662.08 = 60,705.18 : x
  2. Step 2: Convert to fraction form
    108,451.85/149,662.08 = 60,705.18/x
  3. Step 3: Cross multiply
    108,451.85x = 149,662.08 × 60,705.18
  4. Step 4: Simplify right side
    108,451.85x = 9,085,263,505.57
  5. Step 5: Solve for x
    x = 9,085,263,505.57/108,451.85
  6. Step 6: Final answer
    x = 83,772.33

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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.