Home / 109,043.40-163,564.56-29,081.19

Finding the Fourth Proportional to 109,043.40, 163,564.56 and 29,081.19

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Solution

The fourth proportional to 109,043.40, 163,564.56 and 29,081.19 is: 43,621.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,043.40 : 163,564.56 = 29,081.19 : x
  2. Step 2: Convert to fraction form
    109,043.40/163,564.56 = 29,081.19/x
  3. Step 3: Cross multiply
    109,043.40x = 163,564.56 × 29,081.19
  4. Step 4: Simplify right side
    109,043.40x = 4,756,652,046.63
  5. Step 5: Solve for x
    x = 4,756,652,046.63/109,043.40
  6. Step 6: Final answer
    x = 43,621.64

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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.