Home / 79,150.32-109,178.28-48,944.88

Finding the Fourth Proportional to 79,150.32, 109,178.28 and 48,944.88

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Solution

The fourth proportional to 79,150.32, 109,178.28 and 48,944.88 is: 67,513.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,150.32 : 109,178.28 = 48,944.88 : x
  2. Step 2: Convert to fraction form
    79,150.32/109,178.28 = 48,944.88/x
  3. Step 3: Cross multiply
    79,150.32x = 109,178.28 × 48,944.88
  4. Step 4: Simplify right side
    79,150.32x = 5,343,717,813.21
  5. Step 5: Solve for x
    x = 5,343,717,813.21/79,150.32
  6. Step 6: Final answer
    x = 67,513.53

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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.