Home / 53,974.95-81,010.57-53,774.01

Finding the Fourth Proportional to 53,974.95, 81,010.57 and 53,774.01

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Solution

The fourth proportional to 53,974.95, 81,010.57 and 53,774.01 is: 80,708.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,974.95 : 81,010.57 = 53,774.01 : x
  2. Step 2: Convert to fraction form
    53,974.95/81,010.57 = 53,774.01/x
  3. Step 3: Cross multiply
    53,974.95x = 81,010.57 × 53,774.01
  4. Step 4: Simplify right side
    53,974.95x = 4,356,262,796.23
  5. Step 5: Solve for x
    x = 4,356,262,796.23/53,974.95
  6. Step 6: Final answer
    x = 80,708.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.