Home / 61,076.43-91,129.05-53,596.89

Finding the Fourth Proportional to 61,076.43, 91,129.05 and 53,596.89

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Solution

The fourth proportional to 61,076.43, 91,129.05 and 53,596.89 is: 79,969.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,076.43 : 91,129.05 = 53,596.89 : x
  2. Step 2: Convert to fraction form
    61,076.43/91,129.05 = 53,596.89/x
  3. Step 3: Cross multiply
    61,076.43x = 91,129.05 × 53,596.89
  4. Step 4: Simplify right side
    61,076.43x = 4,884,233,668.65
  5. Step 5: Solve for x
    x = 4,884,233,668.65/61,076.43
  6. Step 6: Final answer
    x = 79,969.21

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.