Home / 79,358.29-109,514.38-45,367.52

Finding the Fourth Proportional to 79,358.29, 109,514.38 and 45,367.52

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Solution

The fourth proportional to 79,358.29, 109,514.38 and 45,367.52 is: 62,607.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,358.29 : 109,514.38 = 45,367.52 : x
  2. Step 2: Convert to fraction form
    79,358.29/109,514.38 = 45,367.52/x
  3. Step 3: Cross multiply
    79,358.29x = 109,514.38 × 45,367.52
  4. Step 4: Simplify right side
    79,358.29x = 4,968,395,824.94
  5. Step 5: Solve for x
    x = 4,968,395,824.94/79,358.29
  6. Step 6: Final answer
    x = 62,607.14

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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.