Home / 52,590.96-78,823.70-30,357.36

Finding the Fourth Proportional to 52,590.96, 78,823.70 and 30,357.36

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Solution

The fourth proportional to 52,590.96, 78,823.70 and 30,357.36 is: 45,499.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,590.96 : 78,823.70 = 30,357.36 : x
  2. Step 2: Convert to fraction form
    52,590.96/78,823.70 = 30,357.36/x
  3. Step 3: Cross multiply
    52,590.96x = 78,823.70 × 30,357.36
  4. Step 4: Simplify right side
    52,590.96x = 2,392,879,710.38
  5. Step 5: Solve for x
    x = 2,392,879,710.38/52,590.96
  6. Step 6: Final answer
    x = 45,499.83

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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.