Home / 47,310.72-64,815.42-45,538.08

Finding the Fourth Proportional to 47,310.72, 64,815.42 and 45,538.08

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Solution

The fourth proportional to 47,310.72, 64,815.42 and 45,538.08 is: 62,386.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,310.72 : 64,815.42 = 45,538.08 : x
  2. Step 2: Convert to fraction form
    47,310.72/64,815.42 = 45,538.08/x
  3. Step 3: Cross multiply
    47,310.72x = 64,815.42 × 45,538.08
  4. Step 4: Simplify right side
    47,310.72x = 2,951,569,781.19
  5. Step 5: Solve for x
    x = 2,951,569,781.19/47,310.72
  6. Step 6: Final answer
    x = 62,386.91

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.