Home / 56,907.24-85,370.10-21,371.30

Finding the Fourth Proportional to 56,907.24, 85,370.10 and 21,371.30

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Solution

The fourth proportional to 56,907.24, 85,370.10 and 21,371.30 is: 32,060.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,907.24 : 85,370.10 = 21,371.30 : x
  2. Step 2: Convert to fraction form
    56,907.24/85,370.10 = 21,371.30/x
  3. Step 3: Cross multiply
    56,907.24x = 85,370.10 × 21,371.30
  4. Step 4: Simplify right side
    56,907.24x = 1,824,470,018.13
  5. Step 5: Solve for x
    x = 1,824,470,018.13/56,907.24
  6. Step 6: Final answer
    x = 32,060.42

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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.