Home / 70,138.08-96,786.30-38,300.52

Finding the Fourth Proportional to 70,138.08, 96,786.30 and 38,300.52

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Solution

The fourth proportional to 70,138.08, 96,786.30 and 38,300.52 is: 52,852.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,138.08 : 96,786.30 = 38,300.52 : x
  2. Step 2: Convert to fraction form
    70,138.08/96,786.30 = 38,300.52/x
  3. Step 3: Cross multiply
    70,138.08x = 96,786.30 × 38,300.52
  4. Step 4: Simplify right side
    70,138.08x = 3,706,965,618.88
  5. Step 5: Solve for x
    x = 3,706,965,618.88/70,138.08
  6. Step 6: Final answer
    x = 52,852.40

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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.