Home / 92,739.12-139,106.52-50,660.16

Finding the Fourth Proportional to 92,739.12, 139,106.52 and 50,660.16

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Solution

The fourth proportional to 92,739.12, 139,106.52 and 50,660.16 is: 75,989.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,739.12 : 139,106.52 = 50,660.16 : x
  2. Step 2: Convert to fraction form
    92,739.12/139,106.52 = 50,660.16/x
  3. Step 3: Cross multiply
    92,739.12x = 139,106.52 × 50,660.16
  4. Step 4: Simplify right side
    92,739.12x = 7,047,158,560.24
  5. Step 5: Solve for x
    x = 7,047,158,560.24/92,739.12
  6. Step 6: Final answer
    x = 75,989.06

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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.