Home / 109,159.12-163,738.68-39,058.48

Finding the Fourth Proportional to 109,159.12, 163,738.68 and 39,058.48

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Solution

The fourth proportional to 109,159.12, 163,738.68 and 39,058.48 is: 58,587.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,159.12 : 163,738.68 = 39,058.48 : x
  2. Step 2: Convert to fraction form
    109,159.12/163,738.68 = 39,058.48/x
  3. Step 3: Cross multiply
    109,159.12x = 163,738.68 × 39,058.48
  4. Step 4: Simplify right side
    109,159.12x = 6,395,383,958.01
  5. Step 5: Solve for x
    x = 6,395,383,958.01/109,159.12
  6. Step 6: Final answer
    x = 58,587.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.