Home / 108,856.17-163,290.33-33,986.66

Finding the Fourth Proportional to 108,856.17, 163,290.33 and 33,986.66

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Solution

The fourth proportional to 108,856.17, 163,290.33 and 33,986.66 is: 50,981.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,856.17 : 163,290.33 = 33,986.66 : x
  2. Step 2: Convert to fraction form
    108,856.17/163,290.33 = 33,986.66/x
  3. Step 3: Cross multiply
    108,856.17x = 163,290.33 × 33,986.66
  4. Step 4: Simplify right side
    108,856.17x = 5,549,692,110.55
  5. Step 5: Solve for x
    x = 5,549,692,110.55/108,856.17
  6. Step 6: Final answer
    x = 50,981.88

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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.