Home / 92,218.87-127,268.55-51,385.70

Finding the Fourth Proportional to 92,218.87, 127,268.55 and 51,385.70

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Solution

The fourth proportional to 92,218.87, 127,268.55 and 51,385.70 is: 70,915.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,218.87 : 127,268.55 = 51,385.70 : x
  2. Step 2: Convert to fraction form
    92,218.87/127,268.55 = 51,385.70/x
  3. Step 3: Cross multiply
    92,218.87x = 127,268.55 × 51,385.70
  4. Step 4: Simplify right side
    92,218.87x = 6,539,783,847.91
  5. Step 5: Solve for x
    x = 6,539,783,847.91/92,218.87
  6. Step 6: Final answer
    x = 70,915.90

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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.