Home / 53,486.75-73,815.89-29,615.65

Finding the Fourth Proportional to 53,486.75, 73,815.89 and 29,615.65

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Solution

The fourth proportional to 53,486.75, 73,815.89 and 29,615.65 is: 40,871.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,486.75 : 73,815.89 = 29,615.65 : x
  2. Step 2: Convert to fraction form
    53,486.75/73,815.89 = 29,615.65/x
  3. Step 3: Cross multiply
    53,486.75x = 73,815.89 × 29,615.65
  4. Step 4: Simplify right side
    53,486.75x = 2,186,105,230.06
  5. Step 5: Solve for x
    x = 2,186,105,230.06/53,486.75
  6. Step 6: Final answer
    x = 40,871.90

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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.