Home / 80,849.76-111,572.80-46,864.80

Finding the Fourth Proportional to 80,849.76, 111,572.80 and 46,864.80

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Solution

The fourth proportional to 80,849.76, 111,572.80 and 46,864.80 is: 64,673.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,849.76 : 111,572.80 = 46,864.80 : x
  2. Step 2: Convert to fraction form
    80,849.76/111,572.80 = 46,864.80/x
  3. Step 3: Cross multiply
    80,849.76x = 111,572.80 × 46,864.80
  4. Step 4: Simplify right side
    80,849.76x = 5,228,836,957.44
  5. Step 5: Solve for x
    x = 5,228,836,957.44/80,849.76
  6. Step 6: Final answer
    x = 64,673.50

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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.