Home / 108,755.19-150,082.38-61,008.48

Finding the Fourth Proportional to 108,755.19, 150,082.38 and 61,008.48

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Solution

The fourth proportional to 108,755.19, 150,082.38 and 61,008.48 is: 84,191.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,755.19 : 150,082.38 = 61,008.48 : x
  2. Step 2: Convert to fraction form
    108,755.19/150,082.38 = 61,008.48/x
  3. Step 3: Cross multiply
    108,755.19x = 150,082.38 × 61,008.48
  4. Step 4: Simplify right side
    108,755.19x = 9,156,297,878.58
  5. Step 5: Solve for x
    x = 9,156,297,878.58/108,755.19
  6. Step 6: Final answer
    x = 84,191.82

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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.