Home / 55,934.56-77,188.60-30,440.52

Finding the Fourth Proportional to 55,934.56, 77,188.60 and 30,440.52

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Solution

The fourth proportional to 55,934.56, 77,188.60 and 30,440.52 is: 42,007.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,934.56 : 77,188.60 = 30,440.52 : x
  2. Step 2: Convert to fraction form
    55,934.56/77,188.60 = 30,440.52/x
  3. Step 3: Cross multiply
    55,934.56x = 77,188.60 × 30,440.52
  4. Step 4: Simplify right side
    55,934.56x = 2,349,661,122.07
  5. Step 5: Solve for x
    x = 2,349,661,122.07/55,934.56
  6. Step 6: Final answer
    x = 42,007.32

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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.