Home / 89,208.60-133,769.70-49,723.80

Finding the Fourth Proportional to 89,208.60, 133,769.70 and 49,723.80

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Solution

The fourth proportional to 89,208.60, 133,769.70 and 49,723.80 is: 74,561.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,208.60 : 133,769.70 = 49,723.80 : x
  2. Step 2: Convert to fraction form
    89,208.60/133,769.70 = 49,723.80/x
  3. Step 3: Cross multiply
    89,208.60x = 133,769.70 × 49,723.80
  4. Step 4: Simplify right side
    89,208.60x = 6,651,537,808.86
  5. Step 5: Solve for x
    x = 6,651,537,808.86/89,208.60
  6. Step 6: Final answer
    x = 74,561.62

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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.