Home / 54,782.16-75,599.36-29,631.60

Finding the Fourth Proportional to 54,782.16, 75,599.36 and 29,631.60

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Solution

The fourth proportional to 54,782.16, 75,599.36 and 29,631.60 is: 40,891.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,782.16 : 75,599.36 = 29,631.60 : x
  2. Step 2: Convert to fraction form
    54,782.16/75,599.36 = 29,631.60/x
  3. Step 3: Cross multiply
    54,782.16x = 75,599.36 × 29,631.60
  4. Step 4: Simplify right side
    54,782.16x = 2,240,129,995.78
  5. Step 5: Solve for x
    x = 2,240,129,995.78/54,782.16
  6. Step 6: Final answer
    x = 40,891.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.