Home / 81,317.72-112,230.24-46,855.76

Finding the Fourth Proportional to 81,317.72, 112,230.24 and 46,855.76

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Solution

The fourth proportional to 81,317.72, 112,230.24 and 46,855.76 is: 64,667.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,317.72 : 112,230.24 = 46,855.76 : x
  2. Step 2: Convert to fraction form
    81,317.72/112,230.24 = 46,855.76/x
  3. Step 3: Cross multiply
    81,317.72x = 112,230.24 × 46,855.76
  4. Step 4: Simplify right side
    81,317.72x = 5,258,633,190.18
  5. Step 5: Solve for x
    x = 5,258,633,190.18/81,317.72
  6. Step 6: Final answer
    x = 64,667.74

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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.