Home / 92,237.20-138,355.80-29,907.70

Finding the Fourth Proportional to 92,237.20, 138,355.80 and 29,907.70

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Solution

The fourth proportional to 92,237.20, 138,355.80 and 29,907.70 is: 44,861.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,237.20 : 138,355.80 = 29,907.70 : x
  2. Step 2: Convert to fraction form
    92,237.20/138,355.80 = 29,907.70/x
  3. Step 3: Cross multiply
    92,237.20x = 138,355.80 × 29,907.70
  4. Step 4: Simplify right side
    92,237.20x = 4,137,903,759.66
  5. Step 5: Solve for x
    x = 4,137,903,759.66/92,237.20
  6. Step 6: Final answer
    x = 44,861.55

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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.