Home / 55,906.56-77,151.36-30,756.48

Finding the Fourth Proportional to 55,906.56, 77,151.36 and 30,756.48

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Solution

The fourth proportional to 55,906.56, 77,151.36 and 30,756.48 is: 42,444.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,906.56 : 77,151.36 = 30,756.48 : x
  2. Step 2: Convert to fraction form
    55,906.56/77,151.36 = 30,756.48/x
  3. Step 3: Cross multiply
    55,906.56x = 77,151.36 × 30,756.48
  4. Step 4: Simplify right side
    55,906.56x = 2,372,904,260.81
  5. Step 5: Solve for x
    x = 2,372,904,260.81/55,906.56
  6. Step 6: Final answer
    x = 42,444.11

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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.