Home / 53,979.74-74,464.80-36,098.54

Finding the Fourth Proportional to 53,979.74, 74,464.80 and 36,098.54

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Solution

The fourth proportional to 53,979.74, 74,464.80 and 36,098.54 is: 49,797.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,979.74 : 74,464.80 = 36,098.54 : x
  2. Step 2: Convert to fraction form
    53,979.74/74,464.80 = 36,098.54/x
  3. Step 3: Cross multiply
    53,979.74x = 74,464.80 × 36,098.54
  4. Step 4: Simplify right side
    53,979.74x = 2,688,070,561.39
  5. Step 5: Solve for x
    x = 2,688,070,561.39/53,979.74
  6. Step 6: Final answer
    x = 49,797.77

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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.