Home / 43,121.86-59,488.50-31,166.26

Finding the Fourth Proportional to 43,121.86, 59,488.50 and 31,166.26

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Solution

The fourth proportional to 43,121.86, 59,488.50 and 31,166.26 is: 42,995.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,121.86 : 59,488.50 = 31,166.26 : x
  2. Step 2: Convert to fraction form
    43,121.86/59,488.50 = 31,166.26/x
  3. Step 3: Cross multiply
    43,121.86x = 59,488.50 × 31,166.26
  4. Step 4: Simplify right side
    43,121.86x = 1,854,034,058.01
  5. Step 5: Solve for x
    x = 1,854,034,058.01/43,121.86
  6. Step 6: Final answer
    x = 42,995.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.