Home / 68,975.51-95,188.10-38,763.59

Finding the Fourth Proportional to 68,975.51, 95,188.10 and 38,763.59

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Solution

The fourth proportional to 68,975.51, 95,188.10 and 38,763.59 is: 53,494.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,975.51 : 95,188.10 = 38,763.59 : x
  2. Step 2: Convert to fraction form
    68,975.51/95,188.10 = 38,763.59/x
  3. Step 3: Cross multiply
    68,975.51x = 95,188.10 × 38,763.59
  4. Step 4: Simplify right side
    68,975.51x = 3,689,831,956.88
  5. Step 5: Solve for x
    x = 3,689,831,956.88/68,975.51
  6. Step 6: Final answer
    x = 53,494.81

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1.5x scale

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.