Home / 53,335.96-79,977.04-17,784.66

Finding the Fourth Proportional to 53,335.96, 79,977.04 and 17,784.66

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Solution

The fourth proportional to 53,335.96, 79,977.04 and 17,784.66 is: 26,668.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,335.96 : 79,977.04 = 17,784.66 : x
  2. Step 2: Convert to fraction form
    53,335.96/79,977.04 = 17,784.66/x
  3. Step 3: Cross multiply
    53,335.96x = 79,977.04 × 17,784.66
  4. Step 4: Simplify right side
    53,335.96x = 1,422,364,464.21
  5. Step 5: Solve for x
    x = 1,422,364,464.21/53,335.96
  6. Step 6: Final answer
    x = 26,668.02

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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.