Home / 68,353.45-94,289.85-40,053.67

Finding the Fourth Proportional to 68,353.45, 94,289.85 and 40,053.67

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Solution

The fourth proportional to 68,353.45, 94,289.85 and 40,053.67 is: 55,251.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,353.45 : 94,289.85 = 40,053.67 : x
  2. Step 2: Convert to fraction form
    68,353.45/94,289.85 = 40,053.67/x
  3. Step 3: Cross multiply
    68,353.45x = 94,289.85 × 40,053.67
  4. Step 4: Simplify right side
    68,353.45x = 3,776,653,864.53
  5. Step 5: Solve for x
    x = 3,776,653,864.53/68,353.45
  6. Step 6: Final answer
    x = 55,251.84

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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.