Home / 53,117.78-79,668.77-19,833.66

Finding the Fourth Proportional to 53,117.78, 79,668.77 and 19,833.66

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Solution

The fourth proportional to 53,117.78, 79,668.77 and 19,833.66 is: 29,747.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,117.78 : 79,668.77 = 19,833.66 : x
  2. Step 2: Convert to fraction form
    53,117.78/79,668.77 = 19,833.66/x
  3. Step 3: Cross multiply
    53,117.78x = 79,668.77 × 19,833.66
  4. Step 4: Simplify right side
    53,117.78x = 1,580,123,197.63
  5. Step 5: Solve for x
    x = 1,580,123,197.63/53,117.78
  6. Step 6: Final answer
    x = 29,747.54

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1.5x scale

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.