Home / 70,093.50-96,727.79-39,878.18

Finding the Fourth Proportional to 70,093.50, 96,727.79 and 39,878.18

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Solution

The fourth proportional to 70,093.50, 96,727.79 and 39,878.18 is: 55,031.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,093.50 : 96,727.79 = 39,878.18 : x
  2. Step 2: Convert to fraction form
    70,093.50/96,727.79 = 39,878.18/x
  3. Step 3: Cross multiply
    70,093.50x = 96,727.79 × 39,878.18
  4. Step 4: Simplify right side
    70,093.50x = 3,857,327,836.68
  5. Step 5: Solve for x
    x = 3,857,327,836.68/70,093.50
  6. Step 6: Final answer
    x = 55,031.18

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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.