Home / 85,036.20-127,554.30-75,194.70

Finding the Fourth Proportional to 85,036.20, 127,554.30 and 75,194.70

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Solution

The fourth proportional to 85,036.20, 127,554.30 and 75,194.70 is: 112,792.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,036.20 : 127,554.30 = 75,194.70 : x
  2. Step 2: Convert to fraction form
    85,036.20/127,554.30 = 75,194.70/x
  3. Step 3: Cross multiply
    85,036.20x = 127,554.30 × 75,194.70
  4. Step 4: Simplify right side
    85,036.20x = 9,591,407,322.21
  5. Step 5: Solve for x
    x = 9,591,407,322.21/85,036.20
  6. Step 6: Final answer
    x = 112,792.05

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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.