Home / 47,137.18-65,045.12-25,915.98

Finding the Fourth Proportional to 47,137.18, 65,045.12 and 25,915.98

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Solution

The fourth proportional to 47,137.18, 65,045.12 and 25,915.98 is: 35,761.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,137.18 : 65,045.12 = 25,915.98 : x
  2. Step 2: Convert to fraction form
    47,137.18/65,045.12 = 25,915.98/x
  3. Step 3: Cross multiply
    47,137.18x = 65,045.12 × 25,915.98
  4. Step 4: Simplify right side
    47,137.18x = 1,685,708,029.02
  5. Step 5: Solve for x
    x = 1,685,708,029.02/47,137.18
  6. Step 6: Final answer
    x = 35,761.75

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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.