Home / 108,320.95-149,480.12-59,921.62

Finding the Fourth Proportional to 108,320.95, 149,480.12 and 59,921.62

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Solution

The fourth proportional to 108,320.95, 149,480.12 and 59,921.62 is: 82,690.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,320.95 : 149,480.12 = 59,921.62 : x
  2. Step 2: Convert to fraction form
    108,320.95/149,480.12 = 59,921.62/x
  3. Step 3: Cross multiply
    108,320.95x = 149,480.12 × 59,921.62
  4. Step 4: Simplify right side
    108,320.95x = 8,957,091,228.06
  5. Step 5: Solve for x
    x = 8,957,091,228.06/108,320.95
  6. Step 6: Final answer
    x = 82,690.29

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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.