Home / 104,747.88-144,551.70-57,000.36

Finding the Fourth Proportional to 104,747.88, 144,551.70 and 57,000.36

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Solution

The fourth proportional to 104,747.88, 144,551.70 and 57,000.36 is: 78,660.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,747.88 : 144,551.70 = 57,000.36 : x
  2. Step 2: Convert to fraction form
    104,747.88/144,551.70 = 57,000.36/x
  3. Step 3: Cross multiply
    104,747.88x = 144,551.70 × 57,000.36
  4. Step 4: Simplify right side
    104,747.88x = 8,239,498,938.61
  5. Step 5: Solve for x
    x = 8,239,498,938.61/104,747.88
  6. Step 6: Final answer
    x = 78,660.29

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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.