Home / 85,154.60-127,633.34-40,204.46

Finding the Fourth Proportional to 85,154.60, 127,633.34 and 40,204.46

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Solution

The fourth proportional to 85,154.60, 127,633.34 and 40,204.46 is: 60,260.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,154.60 : 127,633.34 = 40,204.46 : x
  2. Step 2: Convert to fraction form
    85,154.60/127,633.34 = 40,204.46/x
  3. Step 3: Cross multiply
    85,154.60x = 127,633.34 × 40,204.46
  4. Step 4: Simplify right side
    85,154.60x = 5,131,429,512.70
  5. Step 5: Solve for x
    x = 5,131,429,512.70/85,154.60
  6. Step 6: Final answer
    x = 60,260.16

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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.