Home / 52,377.65-78,564.41-12,933.75

Finding the Fourth Proportional to 52,377.65, 78,564.41 and 12,933.75

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Solution

The fourth proportional to 52,377.65, 78,564.41 and 12,933.75 is: 19,400.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,377.65 : 78,564.41 = 12,933.75 : x
  2. Step 2: Convert to fraction form
    52,377.65/78,564.41 = 12,933.75/x
  3. Step 3: Cross multiply
    52,377.65x = 78,564.41 × 12,933.75
  4. Step 4: Simplify right side
    52,377.65x = 1,016,132,437.84
  5. Step 5: Solve for x
    x = 1,016,132,437.84/52,377.65
  6. Step 6: Final answer
    x = 19,400.12

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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.