Home / 112,786.68-169,129.08-33,885.48

Finding the Fourth Proportional to 112,786.68, 169,129.08 and 33,885.48

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Solution

The fourth proportional to 112,786.68, 169,129.08 and 33,885.48 is: 50,812.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,786.68 : 169,129.08 = 33,885.48 : x
  2. Step 2: Convert to fraction form
    112,786.68/169,129.08 = 33,885.48/x
  3. Step 3: Cross multiply
    112,786.68x = 169,129.08 × 33,885.48
  4. Step 4: Simplify right side
    112,786.68x = 5,731,020,057.76
  5. Step 5: Solve for x
    x = 5,731,020,057.76/112,786.68
  6. Step 6: Final answer
    x = 50,812.92

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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.