Home / 104,739.60-157,085.64-29,858.36

Finding the Fourth Proportional to 104,739.60, 157,085.64 and 29,858.36

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Solution

The fourth proportional to 104,739.60, 157,085.64 and 29,858.36 is: 44,780.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,739.60 : 157,085.64 = 29,858.36 : x
  2. Step 2: Convert to fraction form
    104,739.60/157,085.64 = 29,858.36/x
  3. Step 3: Cross multiply
    104,739.60x = 157,085.64 × 29,858.36
  4. Step 4: Simplify right side
    104,739.60x = 4,690,319,589.95
  5. Step 5: Solve for x
    x = 4,690,319,589.95/104,739.60
  6. Step 6: Final answer
    x = 44,780.77

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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.