Home / 79,836.12-110,169.18-45,836.76

Finding the Fourth Proportional to 79,836.12, 110,169.18 and 45,836.76

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Solution

The fourth proportional to 79,836.12, 110,169.18 and 45,836.76 is: 63,252.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,836.12 : 110,169.18 = 45,836.76 : x
  2. Step 2: Convert to fraction form
    79,836.12/110,169.18 = 45,836.76/x
  3. Step 3: Cross multiply
    79,836.12x = 110,169.18 × 45,836.76
  4. Step 4: Simplify right side
    79,836.12x = 5,049,798,263.06
  5. Step 5: Solve for x
    x = 5,049,798,263.06/79,836.12
  6. Step 6: Final answer
    x = 63,252.05

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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.