Home / 79,311.42-109,408.28-47,027.24

Finding the Fourth Proportional to 79,311.42, 109,408.28 and 47,027.24

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Solution

The fourth proportional to 79,311.42, 109,408.28 and 47,027.24 is: 64,873.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,311.42 : 109,408.28 = 47,027.24 : x
  2. Step 2: Convert to fraction form
    79,311.42/109,408.28 = 47,027.24/x
  3. Step 3: Cross multiply
    79,311.42x = 109,408.28 × 47,027.24
  4. Step 4: Simplify right side
    79,311.42x = 5,145,169,441.55
  5. Step 5: Solve for x
    x = 5,145,169,441.55/79,311.42
  6. Step 6: Final answer
    x = 64,873.00

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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.