Home / 79,287.29-109,473.86-51,042.18

Finding the Fourth Proportional to 79,287.29, 109,473.86 and 51,042.18

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Solution

The fourth proportional to 79,287.29, 109,473.86 and 51,042.18 is: 70,475.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,287.29 : 109,473.86 = 51,042.18 : x
  2. Step 2: Convert to fraction form
    79,287.29/109,473.86 = 51,042.18/x
  3. Step 3: Cross multiply
    79,287.29x = 109,473.86 × 51,042.18
  4. Step 4: Simplify right side
    79,287.29x = 5,587,784,467.41
  5. Step 5: Solve for x
    x = 5,587,784,467.41/79,287.29
  6. Step 6: Final answer
    x = 70,475.16

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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.