Home / 53,864.46-80,671.41-51,995.70

Finding the Fourth Proportional to 53,864.46, 80,671.41 and 51,995.70

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Solution

The fourth proportional to 53,864.46, 80,671.41 and 51,995.70 is: 77,872.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,864.46 : 80,671.41 = 51,995.70 : x
  2. Step 2: Convert to fraction form
    53,864.46/80,671.41 = 51,995.70/x
  3. Step 3: Cross multiply
    53,864.46x = 80,671.41 × 51,995.70
  4. Step 4: Simplify right side
    53,864.46x = 4,194,566,432.94
  5. Step 5: Solve for x
    x = 4,194,566,432.94/53,864.46
  6. Step 6: Final answer
    x = 77,872.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.