Home / 48,668.29-67,138.10-31,434.73

Finding the Fourth Proportional to 48,668.29, 67,138.10 and 31,434.73

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Solution

The fourth proportional to 48,668.29, 67,138.10 and 31,434.73 is: 43,364.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,668.29 : 67,138.10 = 31,434.73 : x
  2. Step 2: Convert to fraction form
    48,668.29/67,138.10 = 31,434.73/x
  3. Step 3: Cross multiply
    48,668.29x = 67,138.10 × 31,434.73
  4. Step 4: Simplify right side
    48,668.29x = 2,110,467,839.07
  5. Step 5: Solve for x
    x = 2,110,467,839.07/48,668.29
  6. Step 6: Final answer
    x = 43,364.33

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1.5x scale

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.