Home / 68,368.12-94,352.74-38,159.33

Finding the Fourth Proportional to 68,368.12, 94,352.74 and 38,159.33

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Solution

The fourth proportional to 68,368.12, 94,352.74 and 38,159.33 is: 52,662.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,368.12 : 94,352.74 = 38,159.33 : x
  2. Step 2: Convert to fraction form
    68,368.12/94,352.74 = 38,159.33/x
  3. Step 3: Cross multiply
    68,368.12x = 94,352.74 × 38,159.33
  4. Step 4: Simplify right side
    68,368.12x = 3,600,436,989.55
  5. Step 5: Solve for x
    x = 3,600,436,989.55/68,368.12
  6. Step 6: Final answer
    x = 52,662.51

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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.