Finding the Fourth Proportional to 91,239.30, 125,902.98 and 50,950.65
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Solution
The fourth proportional to 91,239.30, 125,902.98 and 50,950.65 is: 70,307.85
Step by Step Solution
- Step 1: Write the proportion equation
91,239.30 : 125,902.98 = 50,950.65 : x - Step 2: Convert to fraction form
91,239.30/125,902.98 = 50,950.65/x - Step 3: Cross multiply
91,239.30x = 125,902.98 × 50,950.65 - Step 4: Simplify right side
91,239.30x = 6,414,838,667.94 - Step 5: Solve for x
x = 6,414,838,667.94/91,239.30 - Step 6: Final answer
x = 70,307.85
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.