Home / 53,391.13-73,667.51-31,876.68

Finding the Fourth Proportional to 53,391.13, 73,667.51 and 31,876.68

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Solution

The fourth proportional to 53,391.13, 73,667.51 and 31,876.68 is: 43,982.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,391.13 : 73,667.51 = 31,876.68 : x
  2. Step 2: Convert to fraction form
    53,391.13/73,667.51 = 31,876.68/x
  3. Step 3: Cross multiply
    53,391.13x = 73,667.51 × 31,876.68
  4. Step 4: Simplify right side
    53,391.13x = 2,348,275,483.28
  5. Step 5: Solve for x
    x = 2,348,275,483.28/53,391.13
  6. Step 6: Final answer
    x = 43,982.51

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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.