Home / 55,559.66-76,668.54-31,687.34

Finding the Fourth Proportional to 55,559.66, 76,668.54 and 31,687.34

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Solution

The fourth proportional to 55,559.66, 76,668.54 and 31,687.34 is: 43,726.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,559.66 : 76,668.54 = 31,687.34 : x
  2. Step 2: Convert to fraction form
    55,559.66/76,668.54 = 31,687.34/x
  3. Step 3: Cross multiply
    55,559.66x = 76,668.54 × 31,687.34
  4. Step 4: Simplify right side
    55,559.66x = 2,429,422,094.28
  5. Step 5: Solve for x
    x = 2,429,422,094.28/55,559.66
  6. Step 6: Final answer
    x = 43,726.37

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1.5x scale

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.