Home / 68,975.96-95,186.72-40,315.32

Finding the Fourth Proportional to 68,975.96, 95,186.72 and 40,315.32

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Solution

The fourth proportional to 68,975.96, 95,186.72 and 40,315.32 is: 55,635.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,975.96 : 95,186.72 = 40,315.32 : x
  2. Step 2: Convert to fraction form
    68,975.96/95,186.72 = 40,315.32/x
  3. Step 3: Cross multiply
    68,975.96x = 95,186.72 × 40,315.32
  4. Step 4: Simplify right side
    68,975.96x = 3,837,483,177.34
  5. Step 5: Solve for x
    x = 3,837,483,177.34/68,975.96
  6. Step 6: Final answer
    x = 55,635.09

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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.