Home / 48,932.12-67,525.16-28,790.30

Finding the Fourth Proportional to 48,932.12, 67,525.16 and 28,790.30

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Solution

The fourth proportional to 48,932.12, 67,525.16 and 28,790.30 is: 39,729.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,932.12 : 67,525.16 = 28,790.30 : x
  2. Step 2: Convert to fraction form
    48,932.12/67,525.16 = 28,790.30/x
  3. Step 3: Cross multiply
    48,932.12x = 67,525.16 × 28,790.30
  4. Step 4: Simplify right side
    48,932.12x = 1,944,069,613.95
  5. Step 5: Solve for x
    x = 1,944,069,613.95/48,932.12
  6. Step 6: Final answer
    x = 39,729.93

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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.