Home / 68,111.46-93,985.56-37,889.64

Finding the Fourth Proportional to 68,111.46, 93,985.56 and 37,889.64

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Solution

The fourth proportional to 68,111.46, 93,985.56 and 37,889.64 is: 52,283.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,111.46 : 93,985.56 = 37,889.64 : x
  2. Step 2: Convert to fraction form
    68,111.46/93,985.56 = 37,889.64/x
  3. Step 3: Cross multiply
    68,111.46x = 93,985.56 × 37,889.64
  4. Step 4: Simplify right side
    68,111.46x = 3,561,079,033.60
  5. Step 5: Solve for x
    x = 3,561,079,033.60/68,111.46
  6. Step 6: Final answer
    x = 52,283.11

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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.