Home / 54,124.31-74,690.26-30,253.21

Finding the Fourth Proportional to 54,124.31, 74,690.26 and 30,253.21

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Solution

The fourth proportional to 54,124.31, 74,690.26 and 30,253.21 is: 41,748.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,124.31 : 74,690.26 = 30,253.21 : x
  2. Step 2: Convert to fraction form
    54,124.31/74,690.26 = 30,253.21/x
  3. Step 3: Cross multiply
    54,124.31x = 74,690.26 × 30,253.21
  4. Step 4: Simplify right side
    54,124.31x = 2,259,619,858.38
  5. Step 5: Solve for x
    x = 2,259,619,858.38/54,124.31
  6. Step 6: Final answer
    x = 41,748.70

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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.