Home / 53,246.09-79,839.17-17,688.38

Finding the Fourth Proportional to 53,246.09, 79,839.17 and 17,688.38

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Solution

The fourth proportional to 53,246.09, 79,839.17 and 17,688.38 is: 26,522.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,246.09 : 79,839.17 = 17,688.38 : x
  2. Step 2: Convert to fraction form
    53,246.09/79,839.17 = 17,688.38/x
  3. Step 3: Cross multiply
    53,246.09x = 79,839.17 × 17,688.38
  4. Step 4: Simplify right side
    53,246.09x = 1,412,225,090.21
  5. Step 5: Solve for x
    x = 1,412,225,090.21/53,246.09
  6. Step 6: Final answer
    x = 26,522.61

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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.