Home / 129,043.40-193,561.04-35,548.34

Finding the Fourth Proportional to 129,043.40, 193,561.04 and 35,548.34

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Solution

The fourth proportional to 129,043.40, 193,561.04 and 35,548.34 is: 53,321.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,043.40 : 193,561.04 = 35,548.34 : x
  2. Step 2: Convert to fraction form
    129,043.40/193,561.04 = 35,548.34/x
  3. Step 3: Cross multiply
    129,043.40x = 193,561.04 × 35,548.34
  4. Step 4: Simplify right side
    129,043.40x = 6,880,772,781.74
  5. Step 5: Solve for x
    x = 6,880,772,781.74/129,043.40
  6. Step 6: Final answer
    x = 53,321.39

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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.