Home / 108,363.12-149,545.20-60,616.32

Finding the Fourth Proportional to 108,363.12, 149,545.20 and 60,616.32

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Solution

The fourth proportional to 108,363.12, 149,545.20 and 60,616.32 is: 83,652.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,363.12 : 149,545.20 = 60,616.32 : x
  2. Step 2: Convert to fraction form
    108,363.12/149,545.20 = 60,616.32/x
  3. Step 3: Cross multiply
    108,363.12x = 149,545.20 × 60,616.32
  4. Step 4: Simplify right side
    108,363.12x = 9,064,879,697.66
  5. Step 5: Solve for x
    x = 9,064,879,697.66/108,363.12
  6. Step 6: Final answer
    x = 83,652.81

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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.