Home / 68,128.17-94,016.19-37,912.98

Finding the Fourth Proportional to 68,128.17, 94,016.19 and 37,912.98

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Solution

The fourth proportional to 68,128.17, 94,016.19 and 37,912.98 is: 52,319.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,128.17 : 94,016.19 = 37,912.98 : x
  2. Step 2: Convert to fraction form
    68,128.17/94,016.19 = 37,912.98/x
  3. Step 3: Cross multiply
    68,128.17x = 94,016.19 × 37,912.98
  4. Step 4: Simplify right side
    68,128.17x = 3,564,433,931.15
  5. Step 5: Solve for x
    x = 3,564,433,931.15/68,128.17
  6. Step 6: Final answer
    x = 52,319.53

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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.