Home / 74,445.73-102,839.67-67,719.49

Finding the Fourth Proportional to 74,445.73, 102,839.67 and 67,719.49

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Solution

The fourth proportional to 74,445.73, 102,839.67 and 67,719.49 is: 93,548.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,445.73 : 102,839.67 = 67,719.49 : x
  2. Step 2: Convert to fraction form
    74,445.73/102,839.67 = 67,719.49/x
  3. Step 3: Cross multiply
    74,445.73x = 102,839.67 × 67,719.49
  4. Step 4: Simplify right side
    74,445.73x = 6,964,250,004.17
  5. Step 5: Solve for x
    x = 6,964,250,004.17/74,445.73
  6. Step 6: Final answer
    x = 93,548.01

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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.