Home / 112,429.60-168,644.40-29,323.60

Finding the Fourth Proportional to 112,429.60, 168,644.40 and 29,323.60

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Solution

The fourth proportional to 112,429.60, 168,644.40 and 29,323.60 is: 43,985.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,429.60 : 168,644.40 = 29,323.60 : x
  2. Step 2: Convert to fraction form
    112,429.60/168,644.40 = 29,323.60/x
  3. Step 3: Cross multiply
    112,429.60x = 168,644.40 × 29,323.60
  4. Step 4: Simplify right side
    112,429.60x = 4,945,260,927.84
  5. Step 5: Solve for x
    x = 4,945,260,927.84/112,429.60
  6. Step 6: Final answer
    x = 43,985.40

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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.