Home / 101,845.12-152,775.88-38,695.50

Finding the Fourth Proportional to 101,845.12, 152,775.88 and 38,695.50

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Solution

The fourth proportional to 101,845.12, 152,775.88 and 38,695.50 is: 58,046.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,845.12 : 152,775.88 = 38,695.50 : x
  2. Step 2: Convert to fraction form
    101,845.12/152,775.88 = 38,695.50/x
  3. Step 3: Cross multiply
    101,845.12x = 152,775.88 × 38,695.50
  4. Step 4: Simplify right side
    101,845.12x = 5,911,739,064.54
  5. Step 5: Solve for x
    x = 5,911,739,064.54/101,845.12
  6. Step 6: Final answer
    x = 58,046.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.