Home / 54,112.17-74,678.28-30,238.98

Finding the Fourth Proportional to 54,112.17, 74,678.28 and 30,238.98

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Solution

The fourth proportional to 54,112.17, 74,678.28 and 30,238.98 is: 41,731.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,112.17 : 74,678.28 = 30,238.98 : x
  2. Step 2: Convert to fraction form
    54,112.17/74,678.28 = 30,238.98/x
  3. Step 3: Cross multiply
    54,112.17x = 74,678.28 × 30,238.98
  4. Step 4: Simplify right side
    54,112.17x = 2,258,195,015.35
  5. Step 5: Solve for x
    x = 2,258,195,015.35/54,112.17
  6. Step 6: Final answer
    x = 41,731.74

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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.