Home / 85,244.28-127,861.80-26,079.94

Finding the Fourth Proportional to 85,244.28, 127,861.80 and 26,079.94

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Solution

The fourth proportional to 85,244.28, 127,861.80 and 26,079.94 is: 39,118.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,244.28 : 127,861.80 = 26,079.94 : x
  2. Step 2: Convert to fraction form
    85,244.28/127,861.80 = 26,079.94/x
  3. Step 3: Cross multiply
    85,244.28x = 127,861.80 × 26,079.94
  4. Step 4: Simplify right side
    85,244.28x = 3,334,628,072.29
  5. Step 5: Solve for x
    x = 3,334,628,072.29/85,244.28
  6. Step 6: Final answer
    x = 39,118.50

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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.