Home / 103,691.98-155,493.94-43,747.35

Finding the Fourth Proportional to 103,691.98, 155,493.94 and 43,747.35

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Solution

The fourth proportional to 103,691.98, 155,493.94 and 43,747.35 is: 65,602.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,691.98 : 155,493.94 = 43,747.35 : x
  2. Step 2: Convert to fraction form
    103,691.98/155,493.94 = 43,747.35/x
  3. Step 3: Cross multiply
    103,691.98x = 155,493.94 × 43,747.35
  4. Step 4: Simplify right side
    103,691.98x = 6,802,447,816.06
  5. Step 5: Solve for x
    x = 6,802,447,816.06/103,691.98
  6. Step 6: Final answer
    x = 65,602.45

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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.