Home / 74,049.49-102,115.48-67,902.67

Finding the Fourth Proportional to 74,049.49, 102,115.48 and 67,902.67

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Solution

The fourth proportional to 74,049.49, 102,115.48 and 67,902.67 is: 93,638.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,049.49 : 102,115.48 = 67,902.67 : x
  2. Step 2: Convert to fraction form
    74,049.49/102,115.48 = 67,902.67/x
  3. Step 3: Cross multiply
    74,049.49x = 102,115.48 × 67,902.67
  4. Step 4: Simplify right side
    74,049.49x = 6,933,913,740.33
  5. Step 5: Solve for x
    x = 6,933,913,740.33/74,049.49
  6. Step 6: Final answer
    x = 93,638.91

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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.