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Finding the Fourth Proportional to 85,903, 118,559.10 and 52,388.44

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Solution

The fourth proportional to 85,903, 118,559.10 and 52,388.44 is: 72,303.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,903 : 118,559.10 = 52,388.44 : x
  2. Step 2: Convert to fraction form
    85,903/118,559.10 = 52,388.44/x
  3. Step 3: Cross multiply
    85,903x = 118,559.10 × 52,388.44
  4. Step 4: Simplify right side
    85,903x = 6,211,126,296.80
  5. Step 5: Solve for x
    x = 6,211,126,296.80/85,903
  6. Step 6: Final answer
    x = 72,303.95

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1.5x scale

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.