Home / 68,238.91-94,168.75-38,025.51

Finding the Fourth Proportional to 68,238.91, 94,168.75 and 38,025.51

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Solution

The fourth proportional to 68,238.91, 94,168.75 and 38,025.51 is: 52,474.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,238.91 : 94,168.75 = 38,025.51 : x
  2. Step 2: Convert to fraction form
    68,238.91/94,168.75 = 38,025.51/x
  3. Step 3: Cross multiply
    68,238.91x = 94,168.75 × 38,025.51
  4. Step 4: Simplify right side
    68,238.91x = 3,580,814,744.81
  5. Step 5: Solve for x
    x = 3,580,814,744.81/68,238.91
  6. Step 6: Final answer
    x = 52,474.68

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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.