Home / 55,867.20-77,096.73-30,716.70

Finding the Fourth Proportional to 55,867.20, 77,096.73 and 30,716.70

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Solution

The fourth proportional to 55,867.20, 77,096.73 and 30,716.70 is: 42,389.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,867.20 : 77,096.73 = 30,716.70 : x
  2. Step 2: Convert to fraction form
    55,867.20/77,096.73 = 30,716.70/x
  3. Step 3: Cross multiply
    55,867.20x = 77,096.73 × 30,716.70
  4. Step 4: Simplify right side
    55,867.20x = 2,368,157,126.39
  5. Step 5: Solve for x
    x = 2,368,157,126.39/55,867.20
  6. Step 6: Final answer
    x = 42,389.04

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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.