Home / 90,865.45-136,325.96-46,523.57

Finding the Fourth Proportional to 90,865.45, 136,325.96 and 46,523.57

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Solution

The fourth proportional to 90,865.45, 136,325.96 and 46,523.57 is: 69,799.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,865.45 : 136,325.96 = 46,523.57 : x
  2. Step 2: Convert to fraction form
    90,865.45/136,325.96 = 46,523.57/x
  3. Step 3: Cross multiply
    90,865.45x = 136,325.96 × 46,523.57
  4. Step 4: Simplify right side
    90,865.45x = 6,342,369,733.94
  5. Step 5: Solve for x
    x = 6,342,369,733.94/90,865.45
  6. Step 6: Final answer
    x = 69,799.58

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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.