Home / 54,272.10-81,298.80-36,557.40

Finding the Fourth Proportional to 54,272.10, 81,298.80 and 36,557.40

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Solution

The fourth proportional to 54,272.10, 81,298.80 and 36,557.40 is: 54,762.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,272.10 : 81,298.80 = 36,557.40 : x
  2. Step 2: Convert to fraction form
    54,272.10/81,298.80 = 36,557.40/x
  3. Step 3: Cross multiply
    54,272.10x = 81,298.80 × 36,557.40
  4. Step 4: Simplify right side
    54,272.10x = 2,972,072,751.12
  5. Step 5: Solve for x
    x = 2,972,072,751.12/54,272.10
  6. Step 6: Final answer
    x = 54,762.44

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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.