Home / 50,754.18-76,130.94-39,670.20

Finding the Fourth Proportional to 50,754.18, 76,130.94 and 39,670.20

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Solution

The fourth proportional to 50,754.18, 76,130.94 and 39,670.20 is: 59,505.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,754.18 : 76,130.94 = 39,670.20 : x
  2. Step 2: Convert to fraction form
    50,754.18/76,130.94 = 39,670.20/x
  3. Step 3: Cross multiply
    50,754.18x = 76,130.94 × 39,670.20
  4. Step 4: Simplify right side
    50,754.18x = 3,020,129,615.99
  5. Step 5: Solve for x
    x = 3,020,129,615.99/50,754.18
  6. Step 6: Final answer
    x = 59,505.04

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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.