Finding the Fourth Proportional to 84,032.88, 115,965.14 and 46,307.12
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Solution
The fourth proportional to 84,032.88, 115,965.14 and 46,307.12 is: 63,903.70
Step by Step Solution
- Step 1: Write the proportion equation
84,032.88 : 115,965.14 = 46,307.12 : x - Step 2: Convert to fraction form
84,032.88/115,965.14 = 46,307.12/x - Step 3: Cross multiply
84,032.88x = 115,965.14 × 46,307.12 - Step 4: Simplify right side
84,032.88x = 5,370,011,653.80 - Step 5: Solve for x
x = 5,370,011,653.80/84,032.88 - Step 6: Final answer
x = 63,903.70
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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.