Home / 68,450.71-94,459.22-38,235.55

Finding the Fourth Proportional to 68,450.71, 94,459.22 and 38,235.55

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Solution

The fourth proportional to 68,450.71, 94,459.22 and 38,235.55 is: 52,763.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,450.71 : 94,459.22 = 38,235.55 : x
  2. Step 2: Convert to fraction form
    68,450.71/94,459.22 = 38,235.55/x
  3. Step 3: Cross multiply
    68,450.71x = 94,459.22 × 38,235.55
  4. Step 4: Simplify right side
    68,450.71x = 3,611,700,038.09
  5. Step 5: Solve for x
    x = 3,611,700,038.09/68,450.71
  6. Step 6: Final answer
    x = 52,763.51

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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.