Home / 75,127.93-103,672.59-41,129.89

Finding the Fourth Proportional to 75,127.93, 103,672.59 and 41,129.89

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Solution

The fourth proportional to 75,127.93, 103,672.59 and 41,129.89 is: 56,757.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,127.93 : 103,672.59 = 41,129.89 : x
  2. Step 2: Convert to fraction form
    75,127.93/103,672.59 = 41,129.89/x
  3. Step 3: Cross multiply
    75,127.93x = 103,672.59 × 41,129.89
  4. Step 4: Simplify right side
    75,127.93x = 4,264,042,222.72
  5. Step 5: Solve for x
    x = 4,264,042,222.72/75,127.93
  6. Step 6: Final answer
    x = 56,757.08

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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.