Home / 55,860.74-77,088.32-30,367.15

Finding the Fourth Proportional to 55,860.74, 77,088.32 and 30,367.15

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Solution

The fourth proportional to 55,860.74, 77,088.32 and 30,367.15 is: 41,906.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,860.74 : 77,088.32 = 30,367.15 : x
  2. Step 2: Convert to fraction form
    55,860.74/77,088.32 = 30,367.15/x
  3. Step 3: Cross multiply
    55,860.74x = 77,088.32 × 30,367.15
  4. Step 4: Simplify right side
    55,860.74x = 2,340,952,769.41
  5. Step 5: Solve for x
    x = 2,340,952,769.41/55,860.74
  6. Step 6: Final answer
    x = 41,906.94

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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.