Home / 68,127.72-94,029.30-38,319.72

Finding the Fourth Proportional to 68,127.72, 94,029.30 and 38,319.72

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Solution

The fourth proportional to 68,127.72, 94,029.30 and 38,319.72 is: 52,888.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,127.72 : 94,029.30 = 38,319.72 : x
  2. Step 2: Convert to fraction form
    68,127.72/94,029.30 = 38,319.72/x
  3. Step 3: Cross multiply
    68,127.72x = 94,029.30 × 38,319.72
  4. Step 4: Simplify right side
    68,127.72x = 3,603,176,447.80
  5. Step 5: Solve for x
    x = 3,603,176,447.80/68,127.72
  6. Step 6: Final answer
    x = 52,888.55

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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.