Home / 50,949.60-70,316.28-49,316.64

Finding the Fourth Proportional to 50,949.60, 70,316.28 and 49,316.64

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Solution

The fourth proportional to 50,949.60, 70,316.28 and 49,316.64 is: 68,062.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,949.60 : 70,316.28 = 49,316.64 : x
  2. Step 2: Convert to fraction form
    50,949.60/70,316.28 = 49,316.64/x
  3. Step 3: Cross multiply
    50,949.60x = 70,316.28 × 49,316.64
  4. Step 4: Simplify right side
    50,949.60x = 3,467,762,666.90
  5. Step 5: Solve for x
    x = 3,467,762,666.90/50,949.60
  6. Step 6: Final answer
    x = 68,062.61

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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.