Home / 104,812.92-144,638.06-57,065.18

Finding the Fourth Proportional to 104,812.92, 144,638.06 and 57,065.18

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Solution

The fourth proportional to 104,812.92, 144,638.06 and 57,065.18 is: 78,747.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,812.92 : 144,638.06 = 57,065.18 : x
  2. Step 2: Convert to fraction form
    104,812.92/144,638.06 = 57,065.18/x
  3. Step 3: Cross multiply
    104,812.92x = 144,638.06 × 57,065.18
  4. Step 4: Simplify right side
    104,812.92x = 8,253,795,920.23
  5. Step 5: Solve for x
    x = 8,253,795,920.23/104,812.92
  6. Step 6: Final answer
    x = 78,747.89

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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.