Home / 104,748.34-144,551.49-57,000.87

Finding the Fourth Proportional to 104,748.34, 144,551.49 and 57,000.87

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Solution

The fourth proportional to 104,748.34, 144,551.49 and 57,000.87 is: 78,660.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,748.34 : 144,551.49 = 57,000.87 : x
  2. Step 2: Convert to fraction form
    104,748.34/144,551.49 = 57,000.87/x
  3. Step 3: Cross multiply
    104,748.34x = 144,551.49 × 57,000.87
  4. Step 4: Simplify right side
    104,748.34x = 8,239,560,689.80
  5. Step 5: Solve for x
    x = 8,239,560,689.80/104,748.34
  6. Step 6: Final answer
    x = 78,660.54

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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.