Home / 68,437.96-102,573.06-38,880.68

Finding the Fourth Proportional to 68,437.96, 102,573.06 and 38,880.68

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Solution

The fourth proportional to 68,437.96, 102,573.06 and 38,880.68 is: 58,273.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,437.96 : 102,573.06 = 38,880.68 : x
  2. Step 2: Convert to fraction form
    68,437.96/102,573.06 = 38,880.68/x
  3. Step 3: Cross multiply
    68,437.96x = 102,573.06 × 38,880.68
  4. Step 4: Simplify right side
    68,437.96x = 3,988,110,322.48
  5. Step 5: Solve for x
    x = 3,988,110,322.48/68,437.96
  6. Step 6: Final answer
    x = 58,273.37

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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.