Home / 52,218.54-78,327.45-12,776.22

Finding the Fourth Proportional to 52,218.54, 78,327.45 and 12,776.22

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Solution

The fourth proportional to 52,218.54, 78,327.45 and 12,776.22 is: 19,164.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,218.54 : 78,327.45 = 12,776.22 : x
  2. Step 2: Convert to fraction form
    52,218.54/78,327.45 = 12,776.22/x
  3. Step 3: Cross multiply
    52,218.54x = 78,327.45 × 12,776.22
  4. Step 4: Simplify right side
    52,218.54x = 1,000,728,733.24
  5. Step 5: Solve for x
    x = 1,000,728,733.24/52,218.54
  6. Step 6: Final answer
    x = 19,164.24

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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.