Home / 79,422.64-109,605.17-43,125.63

Finding the Fourth Proportional to 79,422.64, 109,605.17 and 43,125.63

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Solution

The fourth proportional to 79,422.64, 109,605.17 and 43,125.63 is: 59,514.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,422.64 : 109,605.17 = 43,125.63 : x
  2. Step 2: Convert to fraction form
    79,422.64/109,605.17 = 43,125.63/x
  3. Step 3: Cross multiply
    79,422.64x = 109,605.17 × 43,125.63
  4. Step 4: Simplify right side
    79,422.64x = 4,726,792,007.51
  5. Step 5: Solve for x
    x = 4,726,792,007.51/79,422.64
  6. Step 6: Final answer
    x = 59,514.42

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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.