Home / 58,587.08-80,849.70-31,729.22

Finding the Fourth Proportional to 58,587.08, 80,849.70 and 31,729.22

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Solution

The fourth proportional to 58,587.08, 80,849.70 and 31,729.22 is: 43,786.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,587.08 : 80,849.70 = 31,729.22 : x
  2. Step 2: Convert to fraction form
    58,587.08/80,849.70 = 31,729.22/x
  3. Step 3: Cross multiply
    58,587.08x = 80,849.70 × 31,729.22
  4. Step 4: Simplify right side
    58,587.08x = 2,565,297,918.23
  5. Step 5: Solve for x
    x = 2,565,297,918.23/58,587.08
  6. Step 6: Final answer
    x = 43,786.07

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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.