Home / 54,276.24-74,905.86-30,407.82

Finding the Fourth Proportional to 54,276.24, 74,905.86 and 30,407.82

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Solution

The fourth proportional to 54,276.24, 74,905.86 and 30,407.82 is: 41,965.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,276.24 : 74,905.86 = 30,407.82 : x
  2. Step 2: Convert to fraction form
    54,276.24/74,905.86 = 30,407.82/x
  3. Step 3: Cross multiply
    54,276.24x = 74,905.86 × 30,407.82
  4. Step 4: Simplify right side
    54,276.24x = 2,277,723,907.83
  5. Step 5: Solve for x
    x = 2,277,723,907.83/54,276.24
  6. Step 6: Final answer
    x = 41,965.40

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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.