Home / 79,014.32-109,039.50-47,201.84

Finding the Fourth Proportional to 79,014.32, 109,039.50 and 47,201.84

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Solution

The fourth proportional to 79,014.32, 109,039.50 and 47,201.84 is: 65,138.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,014.32 : 109,039.50 = 47,201.84 : x
  2. Step 2: Convert to fraction form
    79,014.32/109,039.50 = 47,201.84/x
  3. Step 3: Cross multiply
    79,014.32x = 109,039.50 × 47,201.84
  4. Step 4: Simplify right side
    79,014.32x = 5,146,865,032.68
  5. Step 5: Solve for x
    x = 5,146,865,032.68/79,014.32
  6. Step 6: Final answer
    x = 65,138.38

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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.