Home / 104,828-144,660.48-57,082.16

Finding the Fourth Proportional to 104,828, 144,660.48 and 57,082.16

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Solution

The fourth proportional to 104,828, 144,660.48 and 57,082.16 is: 78,772.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,828 : 144,660.48 = 57,082.16 : x
  2. Step 2: Convert to fraction form
    104,828/144,660.48 = 57,082.16/x
  3. Step 3: Cross multiply
    104,828x = 144,660.48 × 57,082.16
  4. Step 4: Simplify right side
    104,828x = 8,257,532,665.04
  5. Step 5: Solve for x
    x = 8,257,532,665.04/104,828
  6. Step 6: Final answer
    x = 78,772.20

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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.