Home / 75,316.05-103,939.13-41,326.02

Finding the Fourth Proportional to 75,316.05, 103,939.13 and 41,326.02

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Solution

The fourth proportional to 75,316.05, 103,939.13 and 41,326.02 is: 57,031.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,316.05 : 103,939.13 = 41,326.02 : x
  2. Step 2: Convert to fraction form
    75,316.05/103,939.13 = 41,326.02/x
  3. Step 3: Cross multiply
    75,316.05x = 103,939.13 × 41,326.02
  4. Step 4: Simplify right side
    75,316.05x = 4,295,390,668.48
  5. Step 5: Solve for x
    x = 4,295,390,668.48/75,316.05
  6. Step 6: Final answer
    x = 57,031.54

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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.