Home / 60,574.41-90,862.11-21,131.46

Finding the Fourth Proportional to 60,574.41, 90,862.11 and 21,131.46

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Solution

The fourth proportional to 60,574.41, 90,862.11 and 21,131.46 is: 31,697.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,574.41 : 90,862.11 = 21,131.46 : x
  2. Step 2: Convert to fraction form
    60,574.41/90,862.11 = 21,131.46/x
  3. Step 3: Cross multiply
    60,574.41x = 90,862.11 × 21,131.46
  4. Step 4: Simplify right side
    60,574.41x = 1,920,049,042.98
  5. Step 5: Solve for x
    x = 1,920,049,042.98/60,574.41
  6. Step 6: Final answer
    x = 31,697.36

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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.