Home / 56,759.13-78,326.67-31,267.92

Finding the Fourth Proportional to 56,759.13, 78,326.67 and 31,267.92

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Solution

The fourth proportional to 56,759.13, 78,326.67 and 31,267.92 is: 43,149.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,759.13 : 78,326.67 = 31,267.92 : x
  2. Step 2: Convert to fraction form
    56,759.13/78,326.67 = 31,267.92/x
  3. Step 3: Cross multiply
    56,759.13x = 78,326.67 × 31,267.92
  4. Step 4: Simplify right side
    56,759.13x = 2,449,112,051.43
  5. Step 5: Solve for x
    x = 2,449,112,051.43/56,759.13
  6. Step 6: Final answer
    x = 43,149.22

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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.