Home / 78,058.49-107,723.33-47,837.97

Finding the Fourth Proportional to 78,058.49, 107,723.33 and 47,837.97

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Solution

The fourth proportional to 78,058.49, 107,723.33 and 47,837.97 is: 66,018.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,058.49 : 107,723.33 = 47,837.97 : x
  2. Step 2: Convert to fraction form
    78,058.49/107,723.33 = 47,837.97/x
  3. Step 3: Cross multiply
    78,058.49x = 107,723.33 × 47,837.97
  4. Step 4: Simplify right side
    78,058.49x = 5,153,265,458.96
  5. Step 5: Solve for x
    x = 5,153,265,458.96/78,058.49
  6. Step 6: Final answer
    x = 66,018.00

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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.