Home / 86,977.44-120,031.68-49,250.88

Finding the Fourth Proportional to 86,977.44, 120,031.68 and 49,250.88

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Solution

The fourth proportional to 86,977.44, 120,031.68 and 49,250.88 is: 67,967.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,977.44 : 120,031.68 = 49,250.88 : x
  2. Step 2: Convert to fraction form
    86,977.44/120,031.68 = 49,250.88/x
  3. Step 3: Cross multiply
    86,977.44x = 120,031.68 × 49,250.88
  4. Step 4: Simplify right side
    86,977.44x = 5,911,665,867.88
  5. Step 5: Solve for x
    x = 5,911,665,867.88/86,977.44
  6. Step 6: Final answer
    x = 67,967.81

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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.