Home / 68,001.20-93,803.64-42,806.96

Finding the Fourth Proportional to 68,001.20, 93,803.64 and 42,806.96

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Solution

The fourth proportional to 68,001.20, 93,803.64 and 42,806.96 is: 59,049.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,001.20 : 93,803.64 = 42,806.96 : x
  2. Step 2: Convert to fraction form
    68,001.20/93,803.64 = 42,806.96/x
  3. Step 3: Cross multiply
    68,001.20x = 93,803.64 × 42,806.96
  4. Step 4: Simplify right side
    68,001.20x = 4,015,448,665.33
  5. Step 5: Solve for x
    x = 4,015,448,665.33/68,001.20
  6. Step 6: Final answer
    x = 59,049.67

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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.