Home / 79,356.75-109,512.16-43,058.18

Finding the Fourth Proportional to 79,356.75, 109,512.16 and 43,058.18

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Solution

The fourth proportional to 79,356.75, 109,512.16 and 43,058.18 is: 59,420.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,356.75 : 109,512.16 = 43,058.18 : x
  2. Step 2: Convert to fraction form
    79,356.75/109,512.16 = 43,058.18/x
  3. Step 3: Cross multiply
    79,356.75x = 109,512.16 × 43,058.18
  4. Step 4: Simplify right side
    79,356.75x = 4,715,394,463.60
  5. Step 5: Solve for x
    x = 4,715,394,463.60/79,356.75
  6. Step 6: Final answer
    x = 59,420.21

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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.