Home / 68,795.77-103,194.02-31,329.72

Finding the Fourth Proportional to 68,795.77, 103,194.02 and 31,329.72

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Solution

The fourth proportional to 68,795.77, 103,194.02 and 31,329.72 is: 46,994.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,795.77 : 103,194.02 = 31,329.72 : x
  2. Step 2: Convert to fraction form
    68,795.77/103,194.02 = 31,329.72/x
  3. Step 3: Cross multiply
    68,795.77x = 103,194.02 × 31,329.72
  4. Step 4: Simplify right side
    68,795.77x = 3,233,039,079.66
  5. Step 5: Solve for x
    x = 3,233,039,079.66/68,795.77
  6. Step 6: Final answer
    x = 46,994.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.