Home / 112,429.75-168,654.35-29,323.75

Finding the Fourth Proportional to 112,429.75, 168,654.35 and 29,323.75

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Solution

The fourth proportional to 112,429.75, 168,654.35 and 29,323.75 is: 43,988.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,429.75 : 168,654.35 = 29,323.75 : x
  2. Step 2: Convert to fraction form
    112,429.75/168,654.35 = 29,323.75/x
  3. Step 3: Cross multiply
    112,429.75x = 168,654.35 × 29,323.75
  4. Step 4: Simplify right side
    112,429.75x = 4,945,577,995.81
  5. Step 5: Solve for x
    x = 4,945,577,995.81/112,429.75
  6. Step 6: Final answer
    x = 43,988.16

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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.