Home / 56,092.18-84,113.70-21,007.22

Finding the Fourth Proportional to 56,092.18, 84,113.70 and 21,007.22

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Solution

The fourth proportional to 56,092.18, 84,113.70 and 21,007.22 is: 31,501.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,092.18 : 84,113.70 = 21,007.22 : x
  2. Step 2: Convert to fraction form
    56,092.18/84,113.70 = 21,007.22/x
  3. Step 3: Cross multiply
    56,092.18x = 84,113.70 × 21,007.22
  4. Step 4: Simplify right side
    56,092.18x = 1,766,995,000.91
  5. Step 5: Solve for x
    x = 1,766,995,000.91/56,092.18
  6. Step 6: Final answer
    x = 31,501.63

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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.