Home / 81,869.85-112,980.22-46,059.89

Finding the Fourth Proportional to 81,869.85, 112,980.22 and 46,059.89

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Solution

The fourth proportional to 81,869.85, 112,980.22 and 46,059.89 is: 63,562.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,869.85 : 112,980.22 = 46,059.89 : x
  2. Step 2: Convert to fraction form
    81,869.85/112,980.22 = 46,059.89/x
  3. Step 3: Cross multiply
    81,869.85x = 112,980.22 × 46,059.89
  4. Step 4: Simplify right side
    81,869.85x = 5,203,855,825.32
  5. Step 5: Solve for x
    x = 5,203,855,825.32/81,869.85
  6. Step 6: Final answer
    x = 63,562.54

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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.