Home / 53,581.74-73,941.66-30,918.96

Finding the Fourth Proportional to 53,581.74, 73,941.66 and 30,918.96

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Solution

The fourth proportional to 53,581.74, 73,941.66 and 30,918.96 is: 42,667.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,581.74 : 73,941.66 = 30,918.96 : x
  2. Step 2: Convert to fraction form
    53,581.74/73,941.66 = 30,918.96/x
  3. Step 3: Cross multiply
    53,581.74x = 73,941.66 × 30,918.96
  4. Step 4: Simplify right side
    53,581.74x = 2,286,199,227.87
  5. Step 5: Solve for x
    x = 2,286,199,227.87/53,581.74
  6. Step 6: Final answer
    x = 42,667.51

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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.