Home / 53,255.81-79,747.05-51,679.10

Finding the Fourth Proportional to 53,255.81, 79,747.05 and 51,679.10

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Solution

The fourth proportional to 53,255.81, 79,747.05 and 51,679.10 is: 77,386.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,255.81 : 79,747.05 = 51,679.10 : x
  2. Step 2: Convert to fraction form
    53,255.81/79,747.05 = 51,679.10/x
  3. Step 3: Cross multiply
    53,255.81x = 79,747.05 × 51,679.10
  4. Step 4: Simplify right side
    53,255.81x = 4,121,255,771.66
  5. Step 5: Solve for x
    x = 4,121,255,771.66/53,255.81
  6. Step 6: Final answer
    x = 77,386.03

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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.