Home / 85,236.50-127,834.22-26,072.68

Finding the Fourth Proportional to 85,236.50, 127,834.22 and 26,072.68

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Solution

The fourth proportional to 85,236.50, 127,834.22 and 26,072.68 is: 39,102.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,236.50 : 127,834.22 = 26,072.68 : x
  2. Step 2: Convert to fraction form
    85,236.50/127,834.22 = 26,072.68/x
  3. Step 3: Cross multiply
    85,236.50x = 127,834.22 × 26,072.68
  4. Step 4: Simplify right side
    85,236.50x = 3,332,980,711.11
  5. Step 5: Solve for x
    x = 3,332,980,711.11/85,236.50
  6. Step 6: Final answer
    x = 39,102.74

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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.