Home / 53,295.06-73,544.56-30,618

Finding the Fourth Proportional to 53,295.06, 73,544.56 and 30,618

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Solution

The fourth proportional to 53,295.06, 73,544.56 and 30,618 is: 42,251.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,295.06 : 73,544.56 = 30,618 : x
  2. Step 2: Convert to fraction form
    53,295.06/73,544.56 = 30,618/x
  3. Step 3: Cross multiply
    53,295.06x = 73,544.56 × 30,618
  4. Step 4: Simplify right side
    53,295.06x = 2,251,787,261.54
  5. Step 5: Solve for x
    x = 2,251,787,261.54/53,295.06
  6. Step 6: Final answer
    x = 42,251.33

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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.