Home / 53,835.45-74,276.19-30,548.06

Finding the Fourth Proportional to 53,835.45, 74,276.19 and 30,548.06

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Solution

The fourth proportional to 53,835.45, 74,276.19 and 30,548.06 is: 42,146.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,835.45 : 74,276.19 = 30,548.06 : x
  2. Step 2: Convert to fraction form
    53,835.45/74,276.19 = 30,548.06/x
  3. Step 3: Cross multiply
    53,835.45x = 74,276.19 × 30,548.06
  4. Step 4: Simplify right side
    53,835.45x = 2,268,993,508.69
  5. Step 5: Solve for x
    x = 2,268,993,508.69/53,835.45
  6. Step 6: Final answer
    x = 42,146.83

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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.