Home / 56,959.24-85,432.38-15,403

Finding the Fourth Proportional to 56,959.24, 85,432.38 and 15,403

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Solution

The fourth proportional to 56,959.24, 85,432.38 and 15,403 is: 23,102.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,959.24 : 85,432.38 = 15,403 : x
  2. Step 2: Convert to fraction form
    56,959.24/85,432.38 = 15,403/x
  3. Step 3: Cross multiply
    56,959.24x = 85,432.38 × 15,403
  4. Step 4: Simplify right side
    56,959.24x = 1,315,914,949.14
  5. Step 5: Solve for x
    x = 1,315,914,949.14/56,959.24
  6. Step 6: Final answer
    x = 23,102.75

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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.