Home / 47,807.07-71,404.77-43,297.40

Finding the Fourth Proportional to 47,807.07, 71,404.77 and 43,297.40

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Solution

The fourth proportional to 47,807.07, 71,404.77 and 43,297.40 is: 64,669.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,807.07 : 71,404.77 = 43,297.40 : x
  2. Step 2: Convert to fraction form
    47,807.07/71,404.77 = 43,297.40/x
  3. Step 3: Cross multiply
    47,807.07x = 71,404.77 × 43,297.40
  4. Step 4: Simplify right side
    47,807.07x = 3,091,640,531.57
  5. Step 5: Solve for x
    x = 3,091,640,531.57/47,807.07
  6. Step 6: Final answer
    x = 64,669.11

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.