Home / 48,933.12-67,526.54-28,791.30

Finding the Fourth Proportional to 48,933.12, 67,526.54 and 28,791.30

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Solution

The fourth proportional to 48,933.12, 67,526.54 and 28,791.30 is: 39,731.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,933.12 : 67,526.54 = 28,791.30 : x
  2. Step 2: Convert to fraction form
    48,933.12/67,526.54 = 28,791.30/x
  3. Step 3: Cross multiply
    48,933.12x = 67,526.54 × 28,791.30
  4. Step 4: Simplify right side
    48,933.12x = 1,944,176,871.10
  5. Step 5: Solve for x
    x = 1,944,176,871.10/48,933.12
  6. Step 6: Final answer
    x = 39,731.31

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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.