Home / 47,134.50-65,047.13-25,915.30

Finding the Fourth Proportional to 47,134.50, 65,047.13 and 25,915.30

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Solution

The fourth proportional to 47,134.50, 65,047.13 and 25,915.30 is: 35,763.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,134.50 : 65,047.13 = 25,915.30 : x
  2. Step 2: Convert to fraction form
    47,134.50/65,047.13 = 25,915.30/x
  3. Step 3: Cross multiply
    47,134.50x = 65,047.13 × 25,915.30
  4. Step 4: Simplify right side
    47,134.50x = 1,685,715,888.09
  5. Step 5: Solve for x
    x = 1,685,715,888.09/47,134.50
  6. Step 6: Final answer
    x = 35,763.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.