Home / 68,338.40-102,313.20-60,562.40

Finding the Fourth Proportional to 68,338.40, 102,313.20 and 60,562.40

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Solution

The fourth proportional to 68,338.40, 102,313.20 and 60,562.40 is: 90,671.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,338.40 : 102,313.20 = 60,562.40 : x
  2. Step 2: Convert to fraction form
    68,338.40/102,313.20 = 60,562.40/x
  3. Step 3: Cross multiply
    68,338.40x = 102,313.20 × 60,562.40
  4. Step 4: Simplify right side
    68,338.40x = 6,196,332,943.68
  5. Step 5: Solve for x
    x = 6,196,332,943.68/68,338.40
  6. Step 6: Final answer
    x = 90,671.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.