Home / 89,085.70-133,369.35-54,007.30

Finding the Fourth Proportional to 89,085.70, 133,369.35 and 54,007.30

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Solution

The fourth proportional to 89,085.70, 133,369.35 and 54,007.30 is: 80,853.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,085.70 : 133,369.35 = 54,007.30 : x
  2. Step 2: Convert to fraction form
    89,085.70/133,369.35 = 54,007.30/x
  3. Step 3: Cross multiply
    89,085.70x = 133,369.35 × 54,007.30
  4. Step 4: Simplify right side
    89,085.70x = 7,202,918,496.26
  5. Step 5: Solve for x
    x = 7,202,918,496.26/89,085.70
  6. Step 6: Final answer
    x = 80,853.81

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1.5x scale

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.