Home / 105,394.31-158,091.74-43,064.81

Finding the Fourth Proportional to 105,394.31, 158,091.74 and 43,064.81

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Solution

The fourth proportional to 105,394.31, 158,091.74 and 43,064.81 is: 64,597.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,394.31 : 158,091.74 = 43,064.81 : x
  2. Step 2: Convert to fraction form
    105,394.31/158,091.74 = 43,064.81/x
  3. Step 3: Cross multiply
    105,394.31x = 158,091.74 × 43,064.81
  4. Step 4: Simplify right side
    105,394.31x = 6,808,190,530.35
  5. Step 5: Solve for x
    x = 6,808,190,530.35/105,394.31
  6. Step 6: Final answer
    x = 64,597.33

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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.