Home / 105,913.96-158,890.50-34,840.60

Finding the Fourth Proportional to 105,913.96, 158,890.50 and 34,840.60

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Solution

The fourth proportional to 105,913.96, 158,890.50 and 34,840.60 is: 52,267.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,913.96 : 158,890.50 = 34,840.60 : x
  2. Step 2: Convert to fraction form
    105,913.96/158,890.50 = 34,840.60/x
  3. Step 3: Cross multiply
    105,913.96x = 158,890.50 × 34,840.60
  4. Step 4: Simplify right side
    105,913.96x = 5,535,840,354.30
  5. Step 5: Solve for x
    x = 5,535,840,354.30/105,913.96
  6. Step 6: Final answer
    x = 52,267.33

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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.