Home / 80,701.30-111,376.65-46,709.25

Finding the Fourth Proportional to 80,701.30, 111,376.65 and 46,709.25

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Solution

The fourth proportional to 80,701.30, 111,376.65 and 46,709.25 is: 64,463.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,701.30 : 111,376.65 = 46,709.25 : x
  2. Step 2: Convert to fraction form
    80,701.30/111,376.65 = 46,709.25/x
  3. Step 3: Cross multiply
    80,701.30x = 111,376.65 × 46,709.25
  4. Step 4: Simplify right side
    80,701.30x = 5,202,319,789.01
  5. Step 5: Solve for x
    x = 5,202,319,789.01/80,701.30
  6. Step 6: Final answer
    x = 64,463.89

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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.