Home / 68,202.84-94,120.20-39,903.06

Finding the Fourth Proportional to 68,202.84, 94,120.20 and 39,903.06

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Solution

The fourth proportional to 68,202.84, 94,120.20 and 39,903.06 is: 55,066.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,202.84 : 94,120.20 = 39,903.06 : x
  2. Step 2: Convert to fraction form
    68,202.84/94,120.20 = 39,903.06/x
  3. Step 3: Cross multiply
    68,202.84x = 94,120.20 × 39,903.06
  4. Step 4: Simplify right side
    68,202.84x = 3,755,683,987.81
  5. Step 5: Solve for x
    x = 3,755,683,987.81/68,202.84
  6. Step 6: Final answer
    x = 55,066.39

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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.