Home / 48,109.13-72,163.69-31,573.69

Finding the Fourth Proportional to 48,109.13, 72,163.69 and 31,573.69

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Solution

The fourth proportional to 48,109.13, 72,163.69 and 31,573.69 is: 47,360.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,109.13 : 72,163.69 = 31,573.69 : x
  2. Step 2: Convert to fraction form
    48,109.13/72,163.69 = 31,573.69/x
  3. Step 3: Cross multiply
    48,109.13x = 72,163.69 × 31,573.69
  4. Step 4: Simplify right side
    48,109.13x = 2,278,473,977.32
  5. Step 5: Solve for x
    x = 2,278,473,977.32/48,109.13
  6. Step 6: Final answer
    x = 47,360.53

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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.