Home / 80,744.84-111,312.39-56,797.19

Finding the Fourth Proportional to 80,744.84, 111,312.39 and 56,797.19

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Solution

The fourth proportional to 80,744.84, 111,312.39 and 56,797.19 is: 78,298.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,744.84 : 111,312.39 = 56,797.19 : x
  2. Step 2: Convert to fraction form
    80,744.84/111,312.39 = 56,797.19/x
  3. Step 3: Cross multiply
    80,744.84x = 111,312.39 × 56,797.19
  4. Step 4: Simplify right side
    80,744.84x = 6,322,230,123.64
  5. Step 5: Solve for x
    x = 6,322,230,123.64/80,744.84
  6. Step 6: Final answer
    x = 78,298.88

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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.