Home / 77,581.46-107,058.38-43,591.43

Finding the Fourth Proportional to 77,581.46, 107,058.38 and 43,591.43

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Solution

The fourth proportional to 77,581.46, 107,058.38 and 43,591.43 is: 60,153.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,581.46 : 107,058.38 = 43,591.43 : x
  2. Step 2: Convert to fraction form
    77,581.46/107,058.38 = 43,591.43/x
  3. Step 3: Cross multiply
    77,581.46x = 107,058.38 × 43,591.43
  4. Step 4: Simplify right side
    77,581.46x = 4,666,827,927.37
  5. Step 5: Solve for x
    x = 4,666,827,927.37/77,581.46
  6. Step 6: Final answer
    x = 60,153.91

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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.