Home / 92,904.76-139,455.42-57,868.48

Finding the Fourth Proportional to 92,904.76, 139,455.42 and 57,868.48

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Solution

The fourth proportional to 92,904.76, 139,455.42 and 57,868.48 is: 86,863.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,904.76 : 139,455.42 = 57,868.48 : x
  2. Step 2: Convert to fraction form
    92,904.76/139,455.42 = 57,868.48/x
  3. Step 3: Cross multiply
    92,904.76x = 139,455.42 × 57,868.48
  4. Step 4: Simplify right side
    92,904.76x = 8,070,073,183.16
  5. Step 5: Solve for x
    x = 8,070,073,183.16/92,904.76
  6. Step 6: Final answer
    x = 86,863.94

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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.