Finding the Fourth Proportional to 83,993.25, 115,913.12 and 46,269.93
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Solution
The fourth proportional to 83,993.25, 115,913.12 and 46,269.93 is: 63,853.84
Step by Step Solution
- Step 1: Write the proportion equation
83,993.25 : 115,913.12 = 46,269.93 : x - Step 2: Convert to fraction form
83,993.25/115,913.12 = 46,269.93/x - Step 3: Cross multiply
83,993.25x = 115,913.12 × 46,269.93 - Step 4: Simplify right side
83,993.25x = 5,363,291,717.13 - Step 5: Solve for x
x = 5,363,291,717.13/83,993.25 - Step 6: Final answer
x = 63,853.84
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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.