Home / 81,277.92-112,172-46,823.88

Finding the Fourth Proportional to 81,277.92, 112,172 and 46,823.88

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Solution

The fourth proportional to 81,277.92, 112,172 and 46,823.88 is: 64,621.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,277.92 : 112,172 = 46,823.88 : x
  2. Step 2: Convert to fraction form
    81,277.92/112,172 = 46,823.88/x
  3. Step 3: Cross multiply
    81,277.92x = 112,172 × 46,823.88
  4. Step 4: Simplify right side
    81,277.92x = 5,252,328,267.36
  5. Step 5: Solve for x
    x = 5,252,328,267.36/81,277.92
  6. Step 6: Final answer
    x = 64,621.83

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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.