Home / 68,346.80-94,321.32-38,134.76

Finding the Fourth Proportional to 68,346.80, 94,321.32 and 38,134.76

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Solution

The fourth proportional to 68,346.80, 94,321.32 and 38,134.76 is: 52,627.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,346.80 : 94,321.32 = 38,134.76 : x
  2. Step 2: Convert to fraction form
    68,346.80/94,321.32 = 38,134.76/x
  3. Step 3: Cross multiply
    68,346.80x = 94,321.32 × 38,134.76
  4. Step 4: Simplify right side
    68,346.80x = 3,596,920,901.08
  5. Step 5: Solve for x
    x = 3,596,920,901.08/68,346.80
  6. Step 6: Final answer
    x = 52,627.50

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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.