Home / 52,558.72-78,861.56-28,550.32

Finding the Fourth Proportional to 52,558.72, 78,861.56 and 28,550.32

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Solution

The fourth proportional to 52,558.72, 78,861.56 and 28,550.32 is: 42,838.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,558.72 : 78,861.56 = 28,550.32 : x
  2. Step 2: Convert to fraction form
    52,558.72/78,861.56 = 28,550.32/x
  3. Step 3: Cross multiply
    52,558.72x = 78,861.56 × 28,550.32
  4. Step 4: Simplify right side
    52,558.72x = 2,251,522,773.70
  5. Step 5: Solve for x
    x = 2,251,522,773.70/52,558.72
  6. Step 6: Final answer
    x = 42,838.23

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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.