Home / 80,479.26-111,056.31-44,667.18

Finding the Fourth Proportional to 80,479.26, 111,056.31 and 44,667.18

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Solution

The fourth proportional to 80,479.26, 111,056.31 and 44,667.18 is: 61,637.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,479.26 : 111,056.31 = 44,667.18 : x
  2. Step 2: Convert to fraction form
    80,479.26/111,056.31 = 44,667.18/x
  3. Step 3: Cross multiply
    80,479.26x = 111,056.31 × 44,667.18
  4. Step 4: Simplify right side
    80,479.26x = 4,960,572,188.91
  5. Step 5: Solve for x
    x = 4,960,572,188.91/80,479.26
  6. Step 6: Final answer
    x = 61,637.90

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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.