Home / 52,557.12-78,793.92-30,345.36

Finding the Fourth Proportional to 52,557.12, 78,793.92 and 30,345.36

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Solution

The fourth proportional to 52,557.12, 78,793.92 and 30,345.36 is: 45,493.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,557.12 : 78,793.92 = 30,345.36 : x
  2. Step 2: Convert to fraction form
    52,557.12/78,793.92 = 30,345.36/x
  3. Step 3: Cross multiply
    52,557.12x = 78,793.92 × 30,345.36
  4. Step 4: Simplify right side
    52,557.12x = 2,391,029,868.21
  5. Step 5: Solve for x
    x = 2,391,029,868.21/52,557.12
  6. Step 6: Final answer
    x = 45,493.93

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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.