Home / 49,838.12-74,771.60-14,778.60

Finding the Fourth Proportional to 49,838.12, 74,771.60 and 14,778.60

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Solution

The fourth proportional to 49,838.12, 74,771.60 and 14,778.60 is: 22,172.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,838.12 : 74,771.60 = 14,778.60 : x
  2. Step 2: Convert to fraction form
    49,838.12/74,771.60 = 14,778.60/x
  3. Step 3: Cross multiply
    49,838.12x = 74,771.60 × 14,778.60
  4. Step 4: Simplify right side
    49,838.12x = 1,105,019,567.76
  5. Step 5: Solve for x
    x = 1,105,019,567.76/49,838.12
  6. Step 6: Final answer
    x = 22,172.18

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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.