Home / 61,306.29-91,958.76-43,220.07

Finding the Fourth Proportional to 61,306.29, 91,958.76 and 43,220.07

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Solution

The fourth proportional to 61,306.29, 91,958.76 and 43,220.07 is: 64,829.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,306.29 : 91,958.76 = 43,220.07 : x
  2. Step 2: Convert to fraction form
    61,306.29/91,958.76 = 43,220.07/x
  3. Step 3: Cross multiply
    61,306.29x = 91,958.76 × 43,220.07
  4. Step 4: Simplify right side
    61,306.29x = 3,974,464,044.31
  5. Step 5: Solve for x
    x = 3,974,464,044.31/61,306.29
  6. Step 6: Final answer
    x = 64,829.63

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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.