Home / 78,967.42-118,433.74-22,795.33

Finding the Fourth Proportional to 78,967.42, 118,433.74 and 22,795.33

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Solution

The fourth proportional to 78,967.42, 118,433.74 and 22,795.33 is: 34,187.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,967.42 : 118,433.74 = 22,795.33 : x
  2. Step 2: Convert to fraction form
    78,967.42/118,433.74 = 22,795.33/x
  3. Step 3: Cross multiply
    78,967.42x = 118,433.74 × 22,795.33
  4. Step 4: Simplify right side
    78,967.42x = 2,699,736,072.46
  5. Step 5: Solve for x
    x = 2,699,736,072.46/78,967.42
  6. Step 6: Final answer
    x = 34,187.97

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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.