Home / 81,951.77-113,095.58-46,143.09

Finding the Fourth Proportional to 81,951.77, 113,095.58 and 46,143.09

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Solution

The fourth proportional to 81,951.77, 113,095.58 and 46,143.09 is: 63,678.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,951.77 : 113,095.58 = 46,143.09 : x
  2. Step 2: Convert to fraction form
    81,951.77/113,095.58 = 46,143.09/x
  3. Step 3: Cross multiply
    81,951.77x = 113,095.58 × 46,143.09
  4. Step 4: Simplify right side
    81,951.77x = 5,218,579,295.83
  5. Step 5: Solve for x
    x = 5,218,579,295.83/81,951.77
  6. Step 6: Final answer
    x = 63,678.66

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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.