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Finding the Fourth Proportional to 75,231.81, 112,849.34 and 35,792.91

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Solution

The fourth proportional to 75,231.81, 112,849.34 and 35,792.91 is: 53,690.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,231.81 : 112,849.34 = 35,792.91 : x
  2. Step 2: Convert to fraction form
    75,231.81/112,849.34 = 35,792.91/x
  3. Step 3: Cross multiply
    75,231.81x = 112,849.34 × 35,792.91
  4. Step 4: Simplify right side
    75,231.81x = 4,039,206,091.21
  5. Step 5: Solve for x
    x = 4,039,206,091.21/75,231.81
  6. Step 6: Final answer
    x = 53,690.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.