Home / 105,383.18-158,074.77-43,053.68

Finding the Fourth Proportional to 105,383.18, 158,074.77 and 43,053.68

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Solution

The fourth proportional to 105,383.18, 158,074.77 and 43,053.68 is: 64,580.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,383.18 : 158,074.77 = 43,053.68 : x
  2. Step 2: Convert to fraction form
    105,383.18/158,074.77 = 43,053.68/x
  3. Step 3: Cross multiply
    105,383.18x = 158,074.77 × 43,053.68
  4. Step 4: Simplify right side
    105,383.18x = 6,805,700,563.65
  5. Step 5: Solve for x
    x = 6,805,700,563.65/105,383.18
  6. Step 6: Final answer
    x = 64,580.52

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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.