Home / 54,590.64-75,322.56-30,708.60

Finding the Fourth Proportional to 54,590.64, 75,322.56 and 30,708.60

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Solution

The fourth proportional to 54,590.64, 75,322.56 and 30,708.60 is: 42,370.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,590.64 : 75,322.56 = 30,708.60 : x
  2. Step 2: Convert to fraction form
    54,590.64/75,322.56 = 30,708.60/x
  3. Step 3: Cross multiply
    54,590.64x = 75,322.56 × 30,708.60
  4. Step 4: Simplify right side
    54,590.64x = 2,313,050,366.02
  5. Step 5: Solve for x
    x = 2,313,050,366.02/54,590.64
  6. Step 6: Final answer
    x = 42,370.82

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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.