Home / 52,049.07-77,995.80-28,643.31

Finding the Fourth Proportional to 52,049.07, 77,995.80 and 28,643.31

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Solution

The fourth proportional to 52,049.07, 77,995.80 and 28,643.31 is: 42,922.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,049.07 : 77,995.80 = 28,643.31 : x
  2. Step 2: Convert to fraction form
    52,049.07/77,995.80 = 28,643.31/x
  3. Step 3: Cross multiply
    52,049.07x = 77,995.80 × 28,643.31
  4. Step 4: Simplify right side
    52,049.07x = 2,234,057,878.10
  5. Step 5: Solve for x
    x = 2,234,057,878.10/52,049.07
  6. Step 6: Final answer
    x = 42,922.15

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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.