Home / 54,112.95-74,675.66-30,239.62

Finding the Fourth Proportional to 54,112.95, 74,675.66 and 30,239.62

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Solution

The fourth proportional to 54,112.95, 74,675.66 and 30,239.62 is: 41,730.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,112.95 : 74,675.66 = 30,239.62 : x
  2. Step 2: Convert to fraction form
    54,112.95/74,675.66 = 30,239.62/x
  3. Step 3: Cross multiply
    54,112.95x = 74,675.66 × 30,239.62
  4. Step 4: Simplify right side
    54,112.95x = 2,258,163,243.76
  5. Step 5: Solve for x
    x = 2,258,163,243.76/54,112.95
  6. Step 6: Final answer
    x = 41,730.55

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1.5x scale

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.