Home / 49,838.60-68,637.30-48,749.96

Finding the Fourth Proportional to 49,838.60, 68,637.30 and 48,749.96

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Solution

The fourth proportional to 49,838.60, 68,637.30 and 48,749.96 is: 67,138.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,838.60 : 68,637.30 = 48,749.96 : x
  2. Step 2: Convert to fraction form
    49,838.60/68,637.30 = 48,749.96/x
  3. Step 3: Cross multiply
    49,838.60x = 68,637.30 × 48,749.96
  4. Step 4: Simplify right side
    49,838.60x = 3,346,065,629.51
  5. Step 5: Solve for x
    x = 3,346,065,629.51/49,838.60
  6. Step 6: Final answer
    x = 67,138.03

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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.