Home / 55,326.63-83,039.51-28,691.70

Finding the Fourth Proportional to 55,326.63, 83,039.51 and 28,691.70

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Solution

The fourth proportional to 55,326.63, 83,039.51 and 28,691.70 is: 43,063.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,326.63 : 83,039.51 = 28,691.70 : x
  2. Step 2: Convert to fraction form
    55,326.63/83,039.51 = 28,691.70/x
  3. Step 3: Cross multiply
    55,326.63x = 83,039.51 × 28,691.70
  4. Step 4: Simplify right side
    55,326.63x = 2,382,544,565.61
  5. Step 5: Solve for x
    x = 2,382,544,565.61/55,326.63
  6. Step 6: Final answer
    x = 43,063.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.