Home / 56,389.50-84,557.76-32,703.78

Finding the Fourth Proportional to 56,389.50, 84,557.76 and 32,703.78

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Solution

The fourth proportional to 56,389.50, 84,557.76 and 32,703.78 is: 49,040.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,389.50 : 84,557.76 = 32,703.78 : x
  2. Step 2: Convert to fraction form
    56,389.50/84,557.76 = 32,703.78/x
  3. Step 3: Cross multiply
    56,389.50x = 84,557.76 × 32,703.78
  4. Step 4: Simplify right side
    56,389.50x = 2,765,358,380.33
  5. Step 5: Solve for x
    x = 2,765,358,380.33/56,389.50
  6. Step 6: Final answer
    x = 49,040.31

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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.