Home / 68,929.74-95,118.66-38,714.28

Finding the Fourth Proportional to 68,929.74, 95,118.66 and 38,714.28

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Solution

The fourth proportional to 68,929.74, 95,118.66 and 38,714.28 is: 53,423.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,929.74 : 95,118.66 = 38,714.28 : x
  2. Step 2: Convert to fraction form
    68,929.74/95,118.66 = 38,714.28/x
  3. Step 3: Cross multiply
    68,929.74x = 95,118.66 × 38,714.28
  4. Step 4: Simplify right side
    68,929.74x = 3,682,450,436.46
  5. Step 5: Solve for x
    x = 3,682,450,436.46/68,929.74
  6. Step 6: Final answer
    x = 53,423.25

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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.