Home / 108,057.03-149,115.60-60,309.35

Finding the Fourth Proportional to 108,057.03, 149,115.60 and 60,309.35

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Solution

The fourth proportional to 108,057.03, 149,115.60 and 60,309.35 is: 83,225.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,057.03 : 149,115.60 = 60,309.35 : x
  2. Step 2: Convert to fraction form
    108,057.03/149,115.60 = 60,309.35/x
  3. Step 3: Cross multiply
    108,057.03x = 149,115.60 × 60,309.35
  4. Step 4: Simplify right side
    108,057.03x = 8,993,064,910.86
  5. Step 5: Solve for x
    x = 8,993,064,910.86/108,057.03
  6. Step 6: Final answer
    x = 83,225.17

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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.