Home / 80,772.91-111,477.08-46,331.08

Finding the Fourth Proportional to 80,772.91, 111,477.08 and 46,331.08

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Solution

The fourth proportional to 80,772.91, 111,477.08 and 46,331.08 is: 63,942.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,772.91 : 111,477.08 = 46,331.08 : x
  2. Step 2: Convert to fraction form
    80,772.91/111,477.08 = 46,331.08/x
  3. Step 3: Cross multiply
    80,772.91x = 111,477.08 × 46,331.08
  4. Step 4: Simplify right side
    80,772.91x = 5,164,853,511.65
  5. Step 5: Solve for x
    x = 5,164,853,511.65/80,772.91
  6. Step 6: Final answer
    x = 63,942.89

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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.