Home / 51,313.39-70,792.99-31,162.66

Finding the Fourth Proportional to 51,313.39, 70,792.99 and 31,162.66

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Solution

The fourth proportional to 51,313.39, 70,792.99 and 31,162.66 is: 42,992.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,313.39 : 70,792.99 = 31,162.66 : x
  2. Step 2: Convert to fraction form
    51,313.39/70,792.99 = 31,162.66/x
  3. Step 3: Cross multiply
    51,313.39x = 70,792.99 × 31,162.66
  4. Step 4: Simplify right side
    51,313.39x = 2,206,097,877.75
  5. Step 5: Solve for x
    x = 2,206,097,877.75/51,313.39
  6. Step 6: Final answer
    x = 42,992.64

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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.