Finding the Fourth Proportional to 80,975.14, 121,462.76 and 41,507.08
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Solution
The fourth proportional to 80,975.14, 121,462.76 and 41,507.08 is: 62,260.65
Step by Step Solution
- Step 1: Write the proportion equation
80,975.14 : 121,462.76 = 41,507.08 : x - Step 2: Convert to fraction form
80,975.14/121,462.76 = 41,507.08/x - Step 3: Cross multiply
80,975.14x = 121,462.76 × 41,507.08 - Step 4: Simplify right side
80,975.14x = 5,041,564,496.34 - Step 5: Solve for x
x = 5,041,564,496.34/80,975.14 - Step 6: Final answer
x = 62,260.65
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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.