Home / 56,744.24-85,122.72-19,308.24

Finding the Fourth Proportional to 56,744.24, 85,122.72 and 19,308.24

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Solution

The fourth proportional to 56,744.24, 85,122.72 and 19,308.24 is: 28,964.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,744.24 : 85,122.72 = 19,308.24 : x
  2. Step 2: Convert to fraction form
    56,744.24/85,122.72 = 19,308.24/x
  3. Step 3: Cross multiply
    56,744.24x = 85,122.72 × 19,308.24
  4. Step 4: Simplify right side
    56,744.24x = 1,643,569,907.21
  5. Step 5: Solve for x
    x = 1,643,569,907.21/56,744.24
  6. Step 6: Final answer
    x = 28,964.52

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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.