Home / 56,541.92-84,677.40-31,519.80

Finding the Fourth Proportional to 56,541.92, 84,677.40 and 31,519.80

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Solution

The fourth proportional to 56,541.92, 84,677.40 and 31,519.80 is: 47,204.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,541.92 : 84,677.40 = 31,519.80 : x
  2. Step 2: Convert to fraction form
    56,541.92/84,677.40 = 31,519.80/x
  3. Step 3: Cross multiply
    56,541.92x = 84,677.40 × 31,519.80
  4. Step 4: Simplify right side
    56,541.92x = 2,669,014,712.52
  5. Step 5: Solve for x
    x = 2,669,014,712.52/56,541.92
  6. Step 6: Final answer
    x = 47,204.18

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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.