Home / 56,761.23-85,140.93-19,347.36

Finding the Fourth Proportional to 56,761.23, 85,140.93 and 19,347.36

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Solution

The fourth proportional to 56,761.23, 85,140.93 and 19,347.36 is: 29,020.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,761.23 : 85,140.93 = 19,347.36 : x
  2. Step 2: Convert to fraction form
    56,761.23/85,140.93 = 19,347.36/x
  3. Step 3: Cross multiply
    56,761.23x = 85,140.93 × 19,347.36
  4. Step 4: Simplify right side
    56,761.23x = 1,647,251,976.72
  5. Step 5: Solve for x
    x = 1,647,251,976.72/56,761.23
  6. Step 6: Final answer
    x = 29,020.72

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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.