Home / 55,375.14-76,417.26-31,501.80

Finding the Fourth Proportional to 55,375.14, 76,417.26 and 31,501.80

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Solution

The fourth proportional to 55,375.14, 76,417.26 and 31,501.80 is: 43,472.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,375.14 : 76,417.26 = 31,501.80 : x
  2. Step 2: Convert to fraction form
    55,375.14/76,417.26 = 31,501.80/x
  3. Step 3: Cross multiply
    55,375.14x = 76,417.26 × 31,501.80
  4. Step 4: Simplify right side
    55,375.14x = 2,407,281,241.07
  5. Step 5: Solve for x
    x = 2,407,281,241.07/55,375.14
  6. Step 6: Final answer
    x = 43,472.24

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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.