Home / 129,071.56-193,578.13-49,080.93

Finding the Fourth Proportional to 129,071.56, 193,578.13 and 49,080.93

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Solution

The fourth proportional to 129,071.56, 193,578.13 and 49,080.93 is: 73,610.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,071.56 : 193,578.13 = 49,080.93 : x
  2. Step 2: Convert to fraction form
    129,071.56/193,578.13 = 49,080.93/x
  3. Step 3: Cross multiply
    129,071.56x = 193,578.13 × 49,080.93
  4. Step 4: Simplify right side
    129,071.56x = 9,500,994,648.06
  5. Step 5: Solve for x
    x = 9,500,994,648.06/129,071.56
  6. Step 6: Final answer
    x = 73,610.29

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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.