Home / 49,145.10-67,820.26-27,924.40

Finding the Fourth Proportional to 49,145.10, 67,820.26 and 27,924.40

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Solution

The fourth proportional to 49,145.10, 67,820.26 and 27,924.40 is: 38,535.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,145.10 : 67,820.26 = 27,924.40 : x
  2. Step 2: Convert to fraction form
    49,145.10/67,820.26 = 27,924.40/x
  3. Step 3: Cross multiply
    49,145.10x = 67,820.26 × 27,924.40
  4. Step 4: Simplify right side
    49,145.10x = 1,893,840,068.34
  5. Step 5: Solve for x
    x = 1,893,840,068.34/49,145.10
  6. Step 6: Final answer
    x = 38,535.68

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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.