Home / 52,066.56-78,060.96-20,884.80

Finding the Fourth Proportional to 52,066.56, 78,060.96 and 20,884.80

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Solution

The fourth proportional to 52,066.56, 78,060.96 and 20,884.80 is: 31,311.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,066.56 : 78,060.96 = 20,884.80 : x
  2. Step 2: Convert to fraction form
    52,066.56/78,060.96 = 20,884.80/x
  3. Step 3: Cross multiply
    52,066.56x = 78,060.96 × 20,884.80
  4. Step 4: Simplify right side
    52,066.56x = 1,630,287,537.41
  5. Step 5: Solve for x
    x = 1,630,287,537.41/52,066.56
  6. Step 6: Final answer
    x = 31,311.60

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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.