Home / 104,822.64-144,653.37-57,075.12

Finding the Fourth Proportional to 104,822.64, 144,653.37 and 57,075.12

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Solution

The fourth proportional to 104,822.64, 144,653.37 and 57,075.12 is: 78,762.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,822.64 : 144,653.37 = 57,075.12 : x
  2. Step 2: Convert to fraction form
    104,822.64/144,653.37 = 57,075.12/x
  3. Step 3: Cross multiply
    104,822.64x = 144,653.37 × 57,075.12
  4. Step 4: Simplify right side
    104,822.64x = 8,256,108,451.15
  5. Step 5: Solve for x
    x = 8,256,108,451.15/104,822.64
  6. Step 6: Final answer
    x = 78,762.65

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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.