Home / 53,243.33-79,726.48-51,665.65

Finding the Fourth Proportional to 53,243.33, 79,726.48 and 51,665.65

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Solution

The fourth proportional to 53,243.33, 79,726.48 and 51,665.65 is: 77,364.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,243.33 : 79,726.48 = 51,665.65 : x
  2. Step 2: Convert to fraction form
    53,243.33/79,726.48 = 51,665.65/x
  3. Step 3: Cross multiply
    53,243.33x = 79,726.48 × 51,665.65
  4. Step 4: Simplify right side
    53,243.33x = 4,119,120,082.93
  5. Step 5: Solve for x
    x = 4,119,120,082.93/53,243.33
  6. Step 6: Final answer
    x = 77,364.07

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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.