Home / 104,802.11-144,629.93-57,056.26

Finding the Fourth Proportional to 104,802.11, 144,629.93 and 57,056.26

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Solution

The fourth proportional to 104,802.11, 144,629.93 and 57,056.26 is: 78,739.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,802.11 : 144,629.93 = 57,056.26 : x
  2. Step 2: Convert to fraction form
    104,802.11/144,629.93 = 57,056.26/x
  3. Step 3: Cross multiply
    104,802.11x = 144,629.93 × 57,056.26
  4. Step 4: Simplify right side
    104,802.11x = 8,252,042,889.86
  5. Step 5: Solve for x
    x = 8,252,042,889.86/104,802.11
  6. Step 6: Final answer
    x = 78,739.28

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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.