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Finding the Fourth Proportional to 60,296.92, 90,412.26 and 47,896.36

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Solution

The fourth proportional to 60,296.92, 90,412.26 and 47,896.36 is: 71,818.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,296.92 : 90,412.26 = 47,896.36 : x
  2. Step 2: Convert to fraction form
    60,296.92/90,412.26 = 47,896.36/x
  3. Step 3: Cross multiply
    60,296.92x = 90,412.26 × 47,896.36
  4. Step 4: Simplify right side
    60,296.92x = 4,330,418,153.37
  5. Step 5: Solve for x
    x = 4,330,418,153.37/60,296.92
  6. Step 6: Final answer
    x = 71,818.23

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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.