Home / 52,340.85-78,795.99-47,690.78

Finding the Fourth Proportional to 52,340.85, 78,795.99 and 47,690.78

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Solution

The fourth proportional to 52,340.85, 78,795.99 and 47,690.78 is: 71,795.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,340.85 : 78,795.99 = 47,690.78 : x
  2. Step 2: Convert to fraction form
    52,340.85/78,795.99 = 47,690.78/x
  3. Step 3: Cross multiply
    52,340.85x = 78,795.99 × 47,690.78
  4. Step 4: Simplify right side
    52,340.85x = 3,757,841,829.99
  5. Step 5: Solve for x
    x = 3,757,841,829.99/52,340.85
  6. Step 6: Final answer
    x = 71,795.58

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.