Home / 80,667.60-111,320.24-44,856.32

Finding the Fourth Proportional to 80,667.60, 111,320.24 and 44,856.32

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Solution

The fourth proportional to 80,667.60, 111,320.24 and 44,856.32 is: 61,901.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,667.60 : 111,320.24 = 44,856.32 : x
  2. Step 2: Convert to fraction form
    80,667.60/111,320.24 = 44,856.32/x
  3. Step 3: Cross multiply
    80,667.60x = 111,320.24 × 44,856.32
  4. Step 4: Simplify right side
    80,667.60x = 4,993,416,307.92
  5. Step 5: Solve for x
    x = 4,993,416,307.92/80,667.60
  6. Step 6: Final answer
    x = 61,901.14

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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.