Home / 80,856.33-111,473.01-56,624.77

Finding the Fourth Proportional to 80,856.33, 111,473.01 and 56,624.77

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Solution

The fourth proportional to 80,856.33, 111,473.01 and 56,624.77 is: 78,066.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,856.33 : 111,473.01 = 56,624.77 : x
  2. Step 2: Convert to fraction form
    80,856.33/111,473.01 = 56,624.77/x
  3. Step 3: Cross multiply
    80,856.33x = 111,473.01 × 56,624.77
  4. Step 4: Simplify right side
    80,856.33x = 6,312,133,691.80
  5. Step 5: Solve for x
    x = 6,312,133,691.80/80,856.33
  6. Step 6: Final answer
    x = 78,066.05

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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.