Home / 54,122.18-74,689.46-30,250.40

Finding the Fourth Proportional to 54,122.18, 74,689.46 and 30,250.40

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Solution

The fourth proportional to 54,122.18, 74,689.46 and 30,250.40 is: 41,746.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,122.18 : 74,689.46 = 30,250.40 : x
  2. Step 2: Convert to fraction form
    54,122.18/74,689.46 = 30,250.40/x
  3. Step 3: Cross multiply
    54,122.18x = 74,689.46 × 30,250.40
  4. Step 4: Simplify right side
    54,122.18x = 2,259,385,516.08
  5. Step 5: Solve for x
    x = 2,259,385,516.08/54,122.18
  6. Step 6: Final answer
    x = 41,746.02

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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.