Home / 68,172.74-94,077.47-39,496.31

Finding the Fourth Proportional to 68,172.74, 94,077.47 and 39,496.31

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Solution

The fourth proportional to 68,172.74, 94,077.47 and 39,496.31 is: 54,504.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,172.74 : 94,077.47 = 39,496.31 : x
  2. Step 2: Convert to fraction form
    68,172.74/94,077.47 = 39,496.31/x
  3. Step 3: Cross multiply
    68,172.74x = 94,077.47 × 39,496.31
  4. Step 4: Simplify right side
    68,172.74x = 3,715,712,251.27
  5. Step 5: Solve for x
    x = 3,715,712,251.27/68,172.74
  6. Step 6: Final answer
    x = 54,504.37

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1.5x scale

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.