Home / 79,315.06-109,432.59-51,037.14

Finding the Fourth Proportional to 79,315.06, 109,432.59 and 51,037.14

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Solution

The fourth proportional to 79,315.06, 109,432.59 and 51,037.14 is: 70,416.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,315.06 : 109,432.59 = 51,037.14 : x
  2. Step 2: Convert to fraction form
    79,315.06/109,432.59 = 51,037.14/x
  3. Step 3: Cross multiply
    79,315.06x = 109,432.59 × 51,037.14
  4. Step 4: Simplify right side
    79,315.06x = 5,585,126,416.39
  5. Step 5: Solve for x
    x = 5,585,126,416.39/79,315.06
  6. Step 6: Final answer
    x = 70,416.97

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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.