Home / 68,500.12-94,528.72-38,284.60

Finding the Fourth Proportional to 68,500.12, 94,528.72 and 38,284.60

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Solution

The fourth proportional to 68,500.12, 94,528.72 and 38,284.60 is: 52,831.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,500.12 : 94,528.72 = 38,284.60 : x
  2. Step 2: Convert to fraction form
    68,500.12/94,528.72 = 38,284.60/x
  3. Step 3: Cross multiply
    68,500.12x = 94,528.72 × 38,284.60
  4. Step 4: Simplify right side
    68,500.12x = 3,618,994,233.71
  5. Step 5: Solve for x
    x = 3,618,994,233.71/68,500.12
  6. Step 6: Final answer
    x = 52,831.94

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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.