Home / 68,115.48-93,998.46-38,307.48

Finding the Fourth Proportional to 68,115.48, 93,998.46 and 38,307.48

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Solution

The fourth proportional to 68,115.48, 93,998.46 and 38,307.48 is: 52,863.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,115.48 : 93,998.46 = 38,307.48 : x
  2. Step 2: Convert to fraction form
    68,115.48/93,998.46 = 38,307.48/x
  3. Step 3: Cross multiply
    68,115.48x = 93,998.46 × 38,307.48
  4. Step 4: Simplify right side
    68,115.48x = 3,600,844,126.48
  5. Step 5: Solve for x
    x = 3,600,844,126.48/68,115.48
  6. Step 6: Final answer
    x = 52,863.81

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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.