Home / 47,257.68-70,789.32-34,136.40

Finding the Fourth Proportional to 47,257.68, 70,789.32 and 34,136.40

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Solution

The fourth proportional to 47,257.68, 70,789.32 and 34,136.40 is: 51,134.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,257.68 : 70,789.32 = 34,136.40 : x
  2. Step 2: Convert to fraction form
    47,257.68/70,789.32 = 34,136.40/x
  3. Step 3: Cross multiply
    47,257.68x = 70,789.32 × 34,136.40
  4. Step 4: Simplify right side
    47,257.68x = 2,416,492,543.25
  5. Step 5: Solve for x
    x = 2,416,492,543.25/47,257.68
  6. Step 6: Final answer
    x = 51,134.39

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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.