Home / 69,414.40-104,060.85-47,155.60

Finding the Fourth Proportional to 69,414.40, 104,060.85 and 47,155.60

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Solution

The fourth proportional to 69,414.40, 104,060.85 and 47,155.60 is: 70,692.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,414.40 : 104,060.85 = 47,155.60 : x
  2. Step 2: Convert to fraction form
    69,414.40/104,060.85 = 47,155.60/x
  3. Step 3: Cross multiply
    69,414.40x = 104,060.85 × 47,155.60
  4. Step 4: Simplify right side
    69,414.40x = 4,907,051,818.26
  5. Step 5: Solve for x
    x = 4,907,051,818.26/69,414.40
  6. Step 6: Final answer
    x = 70,692.13

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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.