Home / 56,879.20-85,328.12-25,300.14

Finding the Fourth Proportional to 56,879.20, 85,328.12 and 25,300.14

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Solution

The fourth proportional to 56,879.20, 85,328.12 and 25,300.14 is: 37,954.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,879.20 : 85,328.12 = 25,300.14 : x
  2. Step 2: Convert to fraction form
    56,879.20/85,328.12 = 25,300.14/x
  3. Step 3: Cross multiply
    56,879.20x = 85,328.12 × 25,300.14
  4. Step 4: Simplify right side
    56,879.20x = 2,158,813,381.94
  5. Step 5: Solve for x
    x = 2,158,813,381.94/56,879.20
  6. Step 6: Final answer
    x = 37,954.36

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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.