Home / 112,720.81-169,084.28-33,835.04

Finding the Fourth Proportional to 112,720.81, 169,084.28 and 33,835.04

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Solution

The fourth proportional to 112,720.81, 169,084.28 and 33,835.04 is: 50,753.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,720.81 : 169,084.28 = 33,835.04 : x
  2. Step 2: Convert to fraction form
    112,720.81/169,084.28 = 33,835.04/x
  3. Step 3: Cross multiply
    112,720.81x = 169,084.28 × 33,835.04
  4. Step 4: Simplify right side
    112,720.81x = 5,720,973,884.47
  5. Step 5: Solve for x
    x = 5,720,973,884.47/112,720.81
  6. Step 6: Final answer
    x = 50,753.49

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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.