Home / 104,929.20-144,798.08-57,181.52

Finding the Fourth Proportional to 104,929.20, 144,798.08 and 57,181.52

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Solution

The fourth proportional to 104,929.20, 144,798.08 and 57,181.52 is: 78,908.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,929.20 : 144,798.08 = 57,181.52 : x
  2. Step 2: Convert to fraction form
    104,929.20/144,798.08 = 57,181.52/x
  3. Step 3: Cross multiply
    104,929.20x = 144,798.08 × 57,181.52
  4. Step 4: Simplify right side
    104,929.20x = 8,279,774,383.57
  5. Step 5: Solve for x
    x = 8,279,774,383.57/104,929.20
  6. Step 6: Final answer
    x = 78,908.20

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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.