Finding the Fourth Proportional to 94,204.15, 129,994.18 and 53,908.67
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Solution
The fourth proportional to 94,204.15, 129,994.18 and 53,908.67 is: 74,389.65
Step by Step Solution
- Step 1: Write the proportion equation
94,204.15 : 129,994.18 = 53,908.67 : x - Step 2: Convert to fraction form
94,204.15/129,994.18 = 53,908.67/x - Step 3: Cross multiply
94,204.15x = 129,994.18 × 53,908.67 - Step 4: Simplify right side
94,204.15x = 7,007,813,541.75 - Step 5: Solve for x
x = 7,007,813,541.75/94,204.15 - Step 6: Final answer
x = 74,389.65
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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.