Home / 90,942.12-136,440.18-46,600.02

Finding the Fourth Proportional to 90,942.12, 136,440.18 and 46,600.02

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Solution

The fourth proportional to 90,942.12, 136,440.18 and 46,600.02 is: 69,913.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,942.12 : 136,440.18 = 46,600.02 : x
  2. Step 2: Convert to fraction form
    90,942.12/136,440.18 = 46,600.02/x
  3. Step 3: Cross multiply
    90,942.12x = 136,440.18 × 46,600.02
  4. Step 4: Simplify right side
    90,942.12x = 6,358,115,116.80
  5. Step 5: Solve for x
    x = 6,358,115,116.80/90,942.12
  6. Step 6: Final answer
    x = 69,913.87

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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.