Home / 62,790.11-94,174.69-20,670.65

Finding the Fourth Proportional to 62,790.11, 94,174.69 and 20,670.65

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Solution

The fourth proportional to 62,790.11, 94,174.69 and 20,670.65 is: 31,002.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,790.11 : 94,174.69 = 20,670.65 : x
  2. Step 2: Convert to fraction form
    62,790.11/94,174.69 = 20,670.65/x
  3. Step 3: Cross multiply
    62,790.11x = 94,174.69 × 20,670.65
  4. Step 4: Simplify right side
    62,790.11x = 1,946,652,055.85
  5. Step 5: Solve for x
    x = 1,946,652,055.85/62,790.11
  6. Step 6: Final answer
    x = 31,002.53

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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.