Home / 70,211.52-96,878.49-39,996.18

Finding the Fourth Proportional to 70,211.52, 96,878.49 and 39,996.18

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Solution

The fourth proportional to 70,211.52, 96,878.49 and 39,996.18 is: 55,187.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,211.52 : 96,878.49 = 39,996.18 : x
  2. Step 2: Convert to fraction form
    70,211.52/96,878.49 = 39,996.18/x
  3. Step 3: Cross multiply
    70,211.52x = 96,878.49 × 39,996.18
  4. Step 4: Simplify right side
    70,211.52x = 3,874,769,524.17
  5. Step 5: Solve for x
    x = 3,874,769,524.17/70,211.52
  6. Step 6: Final answer
    x = 55,187.09

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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.