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Finding the Fourth Proportional to 56,100, 84,026.40 and 46,372.44

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Solution

The fourth proportional to 56,100, 84,026.40 and 46,372.44 is: 69,456.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,100 : 84,026.40 = 46,372.44 : x
  2. Step 2: Convert to fraction form
    56,100/84,026.40 = 46,372.44/x
  3. Step 3: Cross multiply
    56,100x = 84,026.40 × 46,372.44
  4. Step 4: Simplify right side
    56,100x = 3,896,509,192.42
  5. Step 5: Solve for x
    x = 3,896,509,192.42/56,100
  6. Step 6: Final answer
    x = 69,456.49

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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.