Finding the Fourth Proportional to 80,356.23, 110,881.35 and 44,545.92
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Solution
The fourth proportional to 80,356.23, 110,881.35 and 44,545.92 is: 61,467.69
Step by Step Solution
- Step 1: Write the proportion equation
80,356.23 : 110,881.35 = 44,545.92 : x - Step 2: Convert to fraction form
80,356.23/110,881.35 = 44,545.92/x - Step 3: Cross multiply
80,356.23x = 110,881.35 × 44,545.92 - Step 4: Simplify right side
80,356.23x = 4,939,311,746.59 - Step 5: Solve for x
x = 4,939,311,746.59/80,356.23 - Step 6: Final answer
x = 61,467.69
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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.