Home / 54,172.64-74,753.08-30,298.72

Finding the Fourth Proportional to 54,172.64, 74,753.08 and 30,298.72

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Solution

The fourth proportional to 54,172.64, 74,753.08 and 30,298.72 is: 41,809.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,172.64 : 74,753.08 = 30,298.72 : x
  2. Step 2: Convert to fraction form
    54,172.64/74,753.08 = 30,298.72/x
  3. Step 3: Cross multiply
    54,172.64x = 74,753.08 × 30,298.72
  4. Step 4: Simplify right side
    54,172.64x = 2,264,922,640.06
  5. Step 5: Solve for x
    x = 2,264,922,640.06/54,172.64
  6. Step 6: Final answer
    x = 41,809.35

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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.