Home / 85,859.03-118,529.97-66,695.87

Finding the Fourth Proportional to 85,859.03, 118,529.97 and 66,695.87

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Solution

The fourth proportional to 85,859.03, 118,529.97 and 66,695.87 is: 92,074.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,859.03 : 118,529.97 = 66,695.87 : x
  2. Step 2: Convert to fraction form
    85,859.03/118,529.97 = 66,695.87/x
  3. Step 3: Cross multiply
    85,859.03x = 118,529.97 × 66,695.87
  4. Step 4: Simplify right side
    85,859.03x = 7,905,459,470.22
  5. Step 5: Solve for x
    x = 7,905,459,470.22/85,859.03
  6. Step 6: Final answer
    x = 92,074.88

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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.