Home / 88,914.60-133,328.70-49,429.80

Finding the Fourth Proportional to 88,914.60, 133,328.70 and 49,429.80

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Solution

The fourth proportional to 88,914.60, 133,328.70 and 49,429.80 is: 74,120.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,914.60 : 133,328.70 = 49,429.80 : x
  2. Step 2: Convert to fraction form
    88,914.60/133,328.70 = 49,429.80/x
  3. Step 3: Cross multiply
    88,914.60x = 133,328.70 × 49,429.80
  4. Step 4: Simplify right side
    88,914.60x = 6,590,410,975.26
  5. Step 5: Solve for x
    x = 6,590,410,975.26/88,914.60
  6. Step 6: Final answer
    x = 74,120.68

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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.