Home / 68,350.39-94,382.87-42,900.86

Finding the Fourth Proportional to 68,350.39, 94,382.87 and 42,900.86

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Solution

The fourth proportional to 68,350.39, 94,382.87 and 42,900.86 is: 59,240.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,350.39 : 94,382.87 = 42,900.86 : x
  2. Step 2: Convert to fraction form
    68,350.39/94,382.87 = 42,900.86/x
  3. Step 3: Cross multiply
    68,350.39x = 94,382.87 × 42,900.86
  4. Step 4: Simplify right side
    68,350.39x = 4,049,106,292.27
  5. Step 5: Solve for x
    x = 4,049,106,292.27/68,350.39
  6. Step 6: Final answer
    x = 59,240.43

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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.