Home / 81,609.14-122,318.93-46,573.40

Finding the Fourth Proportional to 81,609.14, 122,318.93 and 46,573.40

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Solution

The fourth proportional to 81,609.14, 122,318.93 and 46,573.40 is: 69,806.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,609.14 : 122,318.93 = 46,573.40 : x
  2. Step 2: Convert to fraction form
    81,609.14/122,318.93 = 46,573.40/x
  3. Step 3: Cross multiply
    81,609.14x = 122,318.93 × 46,573.40
  4. Step 4: Simplify right side
    81,609.14x = 5,696,807,610.00
  5. Step 5: Solve for x
    x = 5,696,807,610.00/81,609.14
  6. Step 6: Final answer
    x = 69,806.00

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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.