Home / 79,655.36-119,556.84-40,240.16

Finding the Fourth Proportional to 79,655.36, 119,556.84 and 40,240.16

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Solution

The fourth proportional to 79,655.36, 119,556.84 and 40,240.16 is: 60,397.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,655.36 : 119,556.84 = 40,240.16 : x
  2. Step 2: Convert to fraction form
    79,655.36/119,556.84 = 40,240.16/x
  3. Step 3: Cross multiply
    79,655.36x = 119,556.84 × 40,240.16
  4. Step 4: Simplify right side
    79,655.36x = 4,810,986,370.69
  5. Step 5: Solve for x
    x = 4,810,986,370.69/79,655.36
  6. Step 6: Final answer
    x = 60,397.52

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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.