Home / 105,739.92-158,651.40-46,534.06

Finding the Fourth Proportional to 105,739.92, 158,651.40 and 46,534.06

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Solution

The fourth proportional to 105,739.92, 158,651.40 and 46,534.06 is: 69,819.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,739.92 : 158,651.40 = 46,534.06 : x
  2. Step 2: Convert to fraction form
    105,739.92/158,651.40 = 46,534.06/x
  3. Step 3: Cross multiply
    105,739.92x = 158,651.40 × 46,534.06
  4. Step 4: Simplify right side
    105,739.92x = 7,382,693,534.01
  5. Step 5: Solve for x
    x = 7,382,693,534.01/105,739.92
  6. Step 6: Final answer
    x = 69,819.36

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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.