Home / 52,062.96-78,094.19-12,620.08

Finding the Fourth Proportional to 52,062.96, 78,094.19 and 12,620.08

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Solution

The fourth proportional to 52,062.96, 78,094.19 and 12,620.08 is: 18,930.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,062.96 : 78,094.19 = 12,620.08 : x
  2. Step 2: Convert to fraction form
    52,062.96/78,094.19 = 12,620.08/x
  3. Step 3: Cross multiply
    52,062.96x = 78,094.19 × 12,620.08
  4. Step 4: Simplify right side
    52,062.96x = 985,554,667.00
  5. Step 5: Solve for x
    x = 985,554,667.00/52,062.96
  6. Step 6: Final answer
    x = 18,930.05

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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.