Home / 53,308.74-79,963.49-36,618.19

Finding the Fourth Proportional to 53,308.74, 79,963.49 and 36,618.19

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Solution

The fourth proportional to 53,308.74, 79,963.49 and 36,618.19 is: 54,927.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,308.74 : 79,963.49 = 36,618.19 : x
  2. Step 2: Convert to fraction form
    53,308.74/79,963.49 = 36,618.19/x
  3. Step 3: Cross multiply
    53,308.74x = 79,963.49 × 36,618.19
  4. Step 4: Simplify right side
    53,308.74x = 2,928,117,886.88
  5. Step 5: Solve for x
    x = 2,928,117,886.88/53,308.74
  6. Step 6: Final answer
    x = 54,927.54

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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.