Home / 48,651.23-67,145.15-28,516.05

Finding the Fourth Proportional to 48,651.23, 67,145.15 and 28,516.05

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Solution

The fourth proportional to 48,651.23, 67,145.15 and 28,516.05 is: 39,355.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,651.23 : 67,145.15 = 28,516.05 : x
  2. Step 2: Convert to fraction form
    48,651.23/67,145.15 = 28,516.05/x
  3. Step 3: Cross multiply
    48,651.23x = 67,145.15 × 28,516.05
  4. Step 4: Simplify right side
    48,651.23x = 1,914,714,525.95
  5. Step 5: Solve for x
    x = 1,914,714,525.95/48,651.23
  6. Step 6: Final answer
    x = 39,355.93

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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.