Home / 88,769.60-133,176.96-26,440.64

Finding the Fourth Proportional to 88,769.60, 133,176.96 and 26,440.64

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Solution

The fourth proportional to 88,769.60, 133,176.96 and 26,440.64 is: 39,667.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,769.60 : 133,176.96 = 26,440.64 : x
  2. Step 2: Convert to fraction form
    88,769.60/133,176.96 = 26,440.64/x
  3. Step 3: Cross multiply
    88,769.60x = 133,176.96 × 26,440.64
  4. Step 4: Simplify right side
    88,769.60x = 3,521,284,055.65
  5. Step 5: Solve for x
    x = 3,521,284,055.65/88,769.60
  6. Step 6: Final answer
    x = 39,667.68

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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.