Home / 105,550.83-158,322.60-40,644.32

Finding the Fourth Proportional to 105,550.83, 158,322.60 and 40,644.32

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Solution

The fourth proportional to 105,550.83, 158,322.60 and 40,644.32 is: 60,965.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,550.83 : 158,322.60 = 40,644.32 : x
  2. Step 2: Convert to fraction form
    105,550.83/158,322.60 = 40,644.32/x
  3. Step 3: Cross multiply
    105,550.83x = 158,322.60 × 40,644.32
  4. Step 4: Simplify right side
    105,550.83x = 6,434,913,626.02
  5. Step 5: Solve for x
    x = 6,434,913,626.02/105,550.83
  6. Step 6: Final answer
    x = 60,965.07

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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.