Home / 85,005.60-127,512.98-25,836.82

Finding the Fourth Proportional to 85,005.60, 127,512.98 and 25,836.82

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Solution

The fourth proportional to 85,005.60, 127,512.98 and 25,836.82 is: 38,756.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,005.60 : 127,512.98 = 25,836.82 : x
  2. Step 2: Convert to fraction form
    85,005.60/127,512.98 = 25,836.82/x
  3. Step 3: Cross multiply
    85,005.60x = 127,512.98 × 25,836.82
  4. Step 4: Simplify right side
    85,005.60x = 3,294,529,911.92
  5. Step 5: Solve for x
    x = 3,294,529,911.92/85,005.60
  6. Step 6: Final answer
    x = 38,756.62

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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.