Home / 80,470.40-111,056.13-44,667.32

Finding the Fourth Proportional to 80,470.40, 111,056.13 and 44,667.32

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Solution

The fourth proportional to 80,470.40, 111,056.13 and 44,667.32 is: 61,644.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,470.40 : 111,056.13 = 44,667.32 : x
  2. Step 2: Convert to fraction form
    80,470.40/111,056.13 = 44,667.32/x
  3. Step 3: Cross multiply
    80,470.40x = 111,056.13 × 44,667.32
  4. Step 4: Simplify right side
    80,470.40x = 4,960,579,141.39
  5. Step 5: Solve for x
    x = 4,960,579,141.39/80,470.40
  6. Step 6: Final answer
    x = 61,644.77

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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.