Home / 67,266.31-100,743.94-64,933.51

Finding the Fourth Proportional to 67,266.31, 100,743.94 and 64,933.51

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Solution

The fourth proportional to 67,266.31, 100,743.94 and 64,933.51 is: 97,250.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,266.31 : 100,743.94 = 64,933.51 : x
  2. Step 2: Convert to fraction form
    67,266.31/100,743.94 = 64,933.51/x
  3. Step 3: Cross multiply
    67,266.31x = 100,743.94 × 64,933.51
  4. Step 4: Simplify right side
    67,266.31x = 6,541,657,635.43
  5. Step 5: Solve for x
    x = 6,541,657,635.43/67,266.31
  6. Step 6: Final answer
    x = 97,250.13

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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.