Home / 53,079.30-73,246.05-30,418.02

Finding the Fourth Proportional to 53,079.30, 73,246.05 and 30,418.02

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Solution

The fourth proportional to 53,079.30, 73,246.05 and 30,418.02 is: 41,974.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,079.30 : 73,246.05 = 30,418.02 : x
  2. Step 2: Convert to fraction form
    53,079.30/73,246.05 = 30,418.02/x
  3. Step 3: Cross multiply
    53,079.30x = 73,246.05 × 30,418.02
  4. Step 4: Simplify right side
    53,079.30x = 2,227,999,813.82
  5. Step 5: Solve for x
    x = 2,227,999,813.82/53,079.30
  6. Step 6: Final answer
    x = 41,974.93

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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.