Home / 78,739.16-118,084.48-22,564.19

Finding the Fourth Proportional to 78,739.16, 118,084.48 and 22,564.19

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Solution

The fourth proportional to 78,739.16, 118,084.48 and 22,564.19 is: 33,839.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,739.16 : 118,084.48 = 22,564.19 : x
  2. Step 2: Convert to fraction form
    78,739.16/118,084.48 = 22,564.19/x
  3. Step 3: Cross multiply
    78,739.16x = 118,084.48 × 22,564.19
  4. Step 4: Simplify right side
    78,739.16x = 2,664,479,995.94
  5. Step 5: Solve for x
    x = 2,664,479,995.94/78,739.16
  6. Step 6: Final answer
    x = 33,839.33

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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.