Home / 52,876.13-79,316.36-13,434.26

Finding the Fourth Proportional to 52,876.13, 79,316.36 and 13,434.26

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Solution

The fourth proportional to 52,876.13, 79,316.36 and 13,434.26 is: 20,151.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,876.13 : 79,316.36 = 13,434.26 : x
  2. Step 2: Convert to fraction form
    52,876.13/79,316.36 = 13,434.26/x
  3. Step 3: Cross multiply
    52,876.13x = 79,316.36 × 13,434.26
  4. Step 4: Simplify right side
    52,876.13x = 1,065,556,138.74
  5. Step 5: Solve for x
    x = 1,065,556,138.74/52,876.13
  6. Step 6: Final answer
    x = 20,151.93

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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.