Home / 49,627.28-68,483.40-30,766.16

Finding the Fourth Proportional to 49,627.28, 68,483.40 and 30,766.16

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Solution

The fourth proportional to 49,627.28, 68,483.40 and 30,766.16 is: 42,455.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,627.28 : 68,483.40 = 30,766.16 : x
  2. Step 2: Convert to fraction form
    49,627.28/68,483.40 = 30,766.16/x
  3. Step 3: Cross multiply
    49,627.28x = 68,483.40 × 30,766.16
  4. Step 4: Simplify right side
    49,627.28x = 2,106,971,241.74
  5. Step 5: Solve for x
    x = 2,106,971,241.74/49,627.28
  6. Step 6: Final answer
    x = 42,455.91

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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.