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Finding the Fourth Proportional to 68,360.63, 102,342.37 and 39,810.54

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Solution

The fourth proportional to 68,360.63, 102,342.37 and 39,810.54 is: 59,600.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,360.63 : 102,342.37 = 39,810.54 : x
  2. Step 2: Convert to fraction form
    68,360.63/102,342.37 = 39,810.54/x
  3. Step 3: Cross multiply
    68,360.63x = 102,342.37 × 39,810.54
  4. Step 4: Simplify right side
    68,360.63x = 4,074,304,303.82
  5. Step 5: Solve for x
    x = 4,074,304,303.82/68,360.63
  6. Step 6: Final answer
    x = 59,600.16

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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.