Home / 52,022.98-78,112.23-30,998.62

Finding the Fourth Proportional to 52,022.98, 78,112.23 and 30,998.62

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Solution

The fourth proportional to 52,022.98, 78,112.23 and 30,998.62 is: 46,544.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,022.98 : 78,112.23 = 30,998.62 : x
  2. Step 2: Convert to fraction form
    52,022.98/78,112.23 = 30,998.62/x
  3. Step 3: Cross multiply
    52,022.98x = 78,112.23 × 30,998.62
  4. Step 4: Simplify right side
    52,022.98x = 2,421,371,335.12
  5. Step 5: Solve for x
    x = 2,421,371,335.12/52,022.98
  6. Step 6: Final answer
    x = 46,544.26

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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.