Home / 85,170.36-127,778.58-32,581.56

Finding the Fourth Proportional to 85,170.36, 127,778.58 and 32,581.56

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Solution

The fourth proportional to 85,170.36, 127,778.58 and 32,581.56 is: 48,881.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,170.36 : 127,778.58 = 32,581.56 : x
  2. Step 2: Convert to fraction form
    85,170.36/127,778.58 = 32,581.56/x
  3. Step 3: Cross multiply
    85,170.36x = 127,778.58 × 32,581.56
  4. Step 4: Simplify right side
    85,170.36x = 4,163,225,470.98
  5. Step 5: Solve for x
    x = 4,163,225,470.98/85,170.36
  6. Step 6: Final answer
    x = 48,881.15

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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.