Home / 55,711.42-76,887.28-31,841.52

Finding the Fourth Proportional to 55,711.42, 76,887.28 and 31,841.52

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Solution

The fourth proportional to 55,711.42, 76,887.28 and 31,841.52 is: 43,944.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,711.42 : 76,887.28 = 31,841.52 : x
  2. Step 2: Convert to fraction form
    55,711.42/76,887.28 = 31,841.52/x
  3. Step 3: Cross multiply
    55,711.42x = 76,887.28 × 31,841.52
  4. Step 4: Simplify right side
    55,711.42x = 2,448,207,863.87
  5. Step 5: Solve for x
    x = 2,448,207,863.87/55,711.42
  6. Step 6: Final answer
    x = 43,944.45

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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.