Home / 68,523.02-102,784.52-18,603.12

Finding the Fourth Proportional to 68,523.02, 102,784.52 and 18,603.12

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Solution

The fourth proportional to 68,523.02, 102,784.52 and 18,603.12 is: 27,904.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,523.02 : 102,784.52 = 18,603.12 : x
  2. Step 2: Convert to fraction form
    68,523.02/102,784.52 = 18,603.12/x
  3. Step 3: Cross multiply
    68,523.02x = 102,784.52 × 18,603.12
  4. Step 4: Simplify right side
    68,523.02x = 1,912,112,759.70
  5. Step 5: Solve for x
    x = 1,912,112,759.70/68,523.02
  6. Step 6: Final answer
    x = 27,904.68

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Similar ratio
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1.5x scale

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.