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Finding the Fourth Proportional to 62,219.44, 85,835.50 and 42,069.03

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Solution

The fourth proportional to 62,219.44, 85,835.50 and 42,069.03 is: 58,036.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,219.44 : 85,835.50 = 42,069.03 : x
  2. Step 2: Convert to fraction form
    62,219.44/85,835.50 = 42,069.03/x
  3. Step 3: Cross multiply
    62,219.44x = 85,835.50 × 42,069.03
  4. Step 4: Simplify right side
    62,219.44x = 3,611,016,224.57
  5. Step 5: Solve for x
    x = 3,611,016,224.57/62,219.44
  6. Step 6: Final answer
    x = 58,036.78

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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.