Home / 75,112.20-112,725.09-51,363

Finding the Fourth Proportional to 75,112.20, 112,725.09 and 51,363

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Solution

The fourth proportional to 75,112.20, 112,725.09 and 51,363 is: 77,083.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,112.20 : 112,725.09 = 51,363 : x
  2. Step 2: Convert to fraction form
    75,112.20/112,725.09 = 51,363/x
  3. Step 3: Cross multiply
    75,112.20x = 112,725.09 × 51,363
  4. Step 4: Simplify right side
    75,112.20x = 5,789,898,797.67
  5. Step 5: Solve for x
    x = 5,789,898,797.67/75,112.20
  6. Step 6: Final answer
    x = 77,083.33

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1.5x scale

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.