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Finding the Fourth Proportional to 68,601.60, 102,902.40 and 62,899.20

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Solution

The fourth proportional to 68,601.60, 102,902.40 and 62,899.20 is: 94,348.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,601.60 : 102,902.40 = 62,899.20 : x
  2. Step 2: Convert to fraction form
    68,601.60/102,902.40 = 62,899.20/x
  3. Step 3: Cross multiply
    68,601.60x = 102,902.40 × 62,899.20
  4. Step 4: Simplify right side
    68,601.60x = 6,472,478,638.08
  5. Step 5: Solve for x
    x = 6,472,478,638.08/68,601.60
  6. Step 6: Final answer
    x = 94,348.80

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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.