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Finding the Fourth Proportional to 60,697.87, 83,765.48 and 33,845.16

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Solution

The fourth proportional to 60,697.87, 83,765.48 and 33,845.16 is: 46,707.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,697.87 : 83,765.48 = 33,845.16 : x
  2. Step 2: Convert to fraction form
    60,697.87/83,765.48 = 33,845.16/x
  3. Step 3: Cross multiply
    60,697.87x = 83,765.48 × 33,845.16
  4. Step 4: Simplify right side
    60,697.87x = 2,835,056,073.08
  5. Step 5: Solve for x
    x = 2,835,056,073.08/60,697.87
  6. Step 6: Final answer
    x = 46,707.67

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Why These Related Problems?

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