Home / 55,701.52-76,867.86-30,550.48

Finding the Fourth Proportional to 55,701.52, 76,867.86 and 30,550.48

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Solution

The fourth proportional to 55,701.52, 76,867.86 and 30,550.48 is: 42,159.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,701.52 : 76,867.86 = 30,550.48 : x
  2. Step 2: Convert to fraction form
    55,701.52/76,867.86 = 30,550.48/x
  3. Step 3: Cross multiply
    55,701.52x = 76,867.86 × 30,550.48
  4. Step 4: Simplify right side
    55,701.52x = 2,348,350,019.57
  5. Step 5: Solve for x
    x = 2,348,350,019.57/55,701.52
  6. Step 6: Final answer
    x = 42,159.53

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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.