Home / 62,794.10-86,651.91-57,778.58

Finding the Fourth Proportional to 62,794.10, 86,651.91 and 57,778.58

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Solution

The fourth proportional to 62,794.10, 86,651.91 and 57,778.58 is: 79,730.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,794.10 : 86,651.91 = 57,778.58 : x
  2. Step 2: Convert to fraction form
    62,794.10/86,651.91 = 57,778.58/x
  3. Step 3: Cross multiply
    62,794.10x = 86,651.91 × 57,778.58
  4. Step 4: Simplify right side
    62,794.10x = 5,006,624,314.09
  5. Step 5: Solve for x
    x = 5,006,624,314.09/62,794.10
  6. Step 6: Final answer
    x = 79,730.81

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1.5x scale

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.