Home / 104,407.64-144,082.74-61,974.68

Finding the Fourth Proportional to 104,407.64, 144,082.74 and 61,974.68

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Solution

The fourth proportional to 104,407.64, 144,082.74 and 61,974.68 is: 85,525.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,407.64 : 144,082.74 = 61,974.68 : x
  2. Step 2: Convert to fraction form
    104,407.64/144,082.74 = 61,974.68/x
  3. Step 3: Cross multiply
    104,407.64x = 144,082.74 × 61,974.68
  4. Step 4: Simplify right side
    104,407.64x = 8,929,481,705.02
  5. Step 5: Solve for x
    x = 8,929,481,705.02/104,407.64
  6. Step 6: Final answer
    x = 85,525.18

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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.