Home / 51,066.10-70,470.19-28,404.60

Finding the Fourth Proportional to 51,066.10, 70,470.19 and 28,404.60

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Solution

The fourth proportional to 51,066.10, 70,470.19 and 28,404.60 is: 39,197.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,066.10 : 70,470.19 = 28,404.60 : x
  2. Step 2: Convert to fraction form
    51,066.10/70,470.19 = 28,404.60/x
  3. Step 3: Cross multiply
    51,066.10x = 70,470.19 × 28,404.60
  4. Step 4: Simplify right side
    51,066.10x = 2,001,677,558.87
  5. Step 5: Solve for x
    x = 2,001,677,558.87/51,066.10
  6. Step 6: Final answer
    x = 39,197.78

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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.