Home / 90,889.03-136,390.38-34,733.94

Finding the Fourth Proportional to 90,889.03, 136,390.38 and 34,733.94

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Solution

The fourth proportional to 90,889.03, 136,390.38 and 34,733.94 is: 52,122.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,889.03 : 136,390.38 = 34,733.94 : x
  2. Step 2: Convert to fraction form
    90,889.03/136,390.38 = 34,733.94/x
  3. Step 3: Cross multiply
    90,889.03x = 136,390.38 × 34,733.94
  4. Step 4: Simplify right side
    90,889.03x = 4,737,374,593.55
  5. Step 5: Solve for x
    x = 4,737,374,593.55/90,889.03
  6. Step 6: Final answer
    x = 52,122.62

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1.5x scale

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.