Home / 70,790.11-106,234.35-45,768.10

Finding the Fourth Proportional to 70,790.11, 106,234.35 and 45,768.10

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Solution

The fourth proportional to 70,790.11, 106,234.35 and 45,768.10 is: 68,683.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,790.11 : 106,234.35 = 45,768.10 : x
  2. Step 2: Convert to fraction form
    70,790.11/106,234.35 = 45,768.10/x
  3. Step 3: Cross multiply
    70,790.11x = 106,234.35 × 45,768.10
  4. Step 4: Simplify right side
    70,790.11x = 4,862,144,088.65
  5. Step 5: Solve for x
    x = 4,862,144,088.65/70,790.11
  6. Step 6: Final answer
    x = 68,683.95

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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.