Home / 79,476.22-109,668.63-45,942.22

Finding the Fourth Proportional to 79,476.22, 109,668.63 and 45,942.22

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Solution

The fourth proportional to 79,476.22, 109,668.63 and 45,942.22 is: 63,395.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,476.22 : 109,668.63 = 45,942.22 : x
  2. Step 2: Convert to fraction form
    79,476.22/109,668.63 = 45,942.22/x
  3. Step 3: Cross multiply
    79,476.22x = 109,668.63 × 45,942.22
  4. Step 4: Simplify right side
    79,476.22x = 5,038,420,326.56
  5. Step 5: Solve for x
    x = 5,038,420,326.56/79,476.22
  6. Step 6: Final answer
    x = 63,395.32

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1.5x scale

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.