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Finding the Fourth Proportional to 83,346.74, 115,019.22 and 47,538.57

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Solution

The fourth proportional to 83,346.74, 115,019.22 and 47,538.57 is: 65,603.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,346.74 : 115,019.22 = 47,538.57 : x
  2. Step 2: Convert to fraction form
    83,346.74/115,019.22 = 47,538.57/x
  3. Step 3: Cross multiply
    83,346.74x = 115,019.22 × 47,538.57
  4. Step 4: Simplify right side
    83,346.74x = 5,467,848,666.22
  5. Step 5: Solve for x
    x = 5,467,848,666.22/83,346.74
  6. Step 6: Final answer
    x = 65,603.63

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.