Home / 54,150.12-74,718.03-30,276.99

Finding the Fourth Proportional to 54,150.12, 74,718.03 and 30,276.99

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Solution

The fourth proportional to 54,150.12, 74,718.03 and 30,276.99 is: 41,777.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,150.12 : 74,718.03 = 30,276.99 : x
  2. Step 2: Convert to fraction form
    54,150.12/74,718.03 = 30,276.99/x
  3. Step 3: Cross multiply
    54,150.12x = 74,718.03 × 30,276.99
  4. Step 4: Simplify right side
    54,150.12x = 2,262,237,047.13
  5. Step 5: Solve for x
    x = 2,262,237,047.13/54,150.12
  6. Step 6: Final answer
    x = 41,777.14

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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.