Home / 68,499.12-94,528.80-38,285.68

Finding the Fourth Proportional to 68,499.12, 94,528.80 and 38,285.68

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Solution

The fourth proportional to 68,499.12, 94,528.80 and 38,285.68 is: 52,834.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,499.12 : 94,528.80 = 38,285.68 : x
  2. Step 2: Convert to fraction form
    68,499.12/94,528.80 = 38,285.68/x
  3. Step 3: Cross multiply
    68,499.12x = 94,528.80 × 38,285.68
  4. Step 4: Simplify right side
    68,499.12x = 3,619,099,387.58
  5. Step 5: Solve for x
    x = 3,619,099,387.58/68,499.12
  6. Step 6: Final answer
    x = 52,834.25

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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.