Home / 52,635.09-72,635.55-28,761.25

Finding the Fourth Proportional to 52,635.09, 72,635.55 and 28,761.25

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Solution

The fourth proportional to 52,635.09, 72,635.55 and 28,761.25 is: 39,690.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,635.09 : 72,635.55 = 28,761.25 : x
  2. Step 2: Convert to fraction form
    52,635.09/72,635.55 = 28,761.25/x
  3. Step 3: Cross multiply
    52,635.09x = 72,635.55 × 28,761.25
  4. Step 4: Simplify right side
    52,635.09x = 2,089,089,212.44
  5. Step 5: Solve for x
    x = 2,089,089,212.44/52,635.09
  6. Step 6: Final answer
    x = 39,690.05

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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.