Home / 81,555.86-112,495.26-58,928.07

Finding the Fourth Proportional to 81,555.86, 112,495.26 and 58,928.07

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Solution

The fourth proportional to 81,555.86, 112,495.26 and 58,928.07 is: 81,283.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,555.86 : 112,495.26 = 58,928.07 : x
  2. Step 2: Convert to fraction form
    81,555.86/112,495.26 = 58,928.07/x
  3. Step 3: Cross multiply
    81,555.86x = 112,495.26 × 58,928.07
  4. Step 4: Simplify right side
    81,555.86x = 6,629,129,198.79
  5. Step 5: Solve for x
    x = 6,629,129,198.79/81,555.86
  6. Step 6: Final answer
    x = 81,283.29

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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.