Home / 79,073.20-109,110.23-47,235.34

Finding the Fourth Proportional to 79,073.20, 109,110.23 and 47,235.34

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Solution

The fourth proportional to 79,073.20, 109,110.23 and 47,235.34 is: 65,178.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,073.20 : 109,110.23 = 47,235.34 : x
  2. Step 2: Convert to fraction form
    79,073.20/109,110.23 = 47,235.34/x
  3. Step 3: Cross multiply
    79,073.20x = 109,110.23 × 47,235.34
  4. Step 4: Simplify right side
    79,073.20x = 5,153,858,811.53
  5. Step 5: Solve for x
    x = 5,153,858,811.53/79,073.20
  6. Step 6: Final answer
    x = 65,178.33

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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.