Home / 47,915.10-71,785.08-34,734.78

Finding the Fourth Proportional to 47,915.10, 71,785.08 and 34,734.78

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Solution

The fourth proportional to 47,915.10, 71,785.08 and 34,734.78 is: 52,038.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,915.10 : 71,785.08 = 34,734.78 : x
  2. Step 2: Convert to fraction form
    47,915.10/71,785.08 = 34,734.78/x
  3. Step 3: Cross multiply
    47,915.10x = 71,785.08 × 34,734.78
  4. Step 4: Simplify right side
    47,915.10x = 2,493,438,961.08
  5. Step 5: Solve for x
    x = 2,493,438,961.08/47,915.10
  6. Step 6: Final answer
    x = 52,038.69

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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.