Home / 56,708.04-78,245.82-31,552.68

Finding the Fourth Proportional to 56,708.04, 78,245.82 and 31,552.68

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Solution

The fourth proportional to 56,708.04, 78,245.82 and 31,552.68 is: 43,536.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,708.04 : 78,245.82 = 31,552.68 : x
  2. Step 2: Convert to fraction form
    56,708.04/78,245.82 = 31,552.68/x
  3. Step 3: Cross multiply
    56,708.04x = 78,245.82 × 31,552.68
  4. Step 4: Simplify right side
    56,708.04x = 2,468,865,319.80
  5. Step 5: Solve for x
    x = 2,468,865,319.80/56,708.04
  6. Step 6: Final answer
    x = 43,536.42

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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.