Finding the Fourth Proportional to 84,035.25, 115,971.08 and 46,311.93
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Solution
The fourth proportional to 84,035.25, 115,971.08 and 46,311.93 is: 63,911.80
Step by Step Solution
- Step 1: Write the proportion equation
84,035.25 : 115,971.08 = 46,311.93 : x - Step 2: Convert to fraction form
84,035.25/115,971.08 = 46,311.93/x - Step 3: Cross multiply
84,035.25x = 115,971.08 × 46,311.93 - Step 4: Simplify right side
84,035.25x = 5,370,844,307.42 - Step 5: Solve for x
x = 5,370,844,307.42/84,035.25 - Step 6: Final answer
x = 63,911.80
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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.