Home / 68,154.24-93,912.32-67,235.68

Finding the Fourth Proportional to 68,154.24, 93,912.32 and 67,235.68

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Solution

The fourth proportional to 68,154.24, 93,912.32 and 67,235.68 is: 92,646.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,154.24 : 93,912.32 = 67,235.68 : x
  2. Step 2: Convert to fraction form
    68,154.24/93,912.32 = 67,235.68/x
  3. Step 3: Cross multiply
    68,154.24x = 93,912.32 × 67,235.68
  4. Step 4: Simplify right side
    68,154.24x = 6,314,258,695.58
  5. Step 5: Solve for x
    x = 6,314,258,695.58/68,154.24
  6. Step 6: Final answer
    x = 92,646.60

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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.