Home / 78,058.45-107,723.27-47,837.93

Finding the Fourth Proportional to 78,058.45, 107,723.27 and 47,837.93

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Solution

The fourth proportional to 78,058.45, 107,723.27 and 47,837.93 is: 66,017.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,058.45 : 107,723.27 = 47,837.93 : x
  2. Step 2: Convert to fraction form
    78,058.45/107,723.27 = 47,837.93/x
  3. Step 3: Cross multiply
    78,058.45x = 107,723.27 × 47,837.93
  4. Step 4: Simplify right side
    78,058.45x = 5,153,258,604.98
  5. Step 5: Solve for x
    x = 5,153,258,604.98/78,058.45
  6. Step 6: Final answer
    x = 66,017.95

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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.