Home / 76,203.09-105,156.47-41,747.96

Finding the Fourth Proportional to 76,203.09, 105,156.47 and 41,747.96

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Solution

The fourth proportional to 76,203.09, 105,156.47 and 41,747.96 is: 57,610.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,203.09 : 105,156.47 = 41,747.96 : x
  2. Step 2: Convert to fraction form
    76,203.09/105,156.47 = 41,747.96/x
  3. Step 3: Cross multiply
    76,203.09x = 105,156.47 × 41,747.96
  4. Step 4: Simplify right side
    76,203.09x = 4,390,067,368.78
  5. Step 5: Solve for x
    x = 4,390,067,368.78/76,203.09
  6. Step 6: Final answer
    x = 57,610.10

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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.