Finding the Fourth Proportional to 97,433.08, 134,451.30 and 54,985.84
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Solution
The fourth proportional to 97,433.08, 134,451.30 and 54,985.84 is: 75,876.88
Step by Step Solution
- Step 1: Write the proportion equation
97,433.08 : 134,451.30 = 54,985.84 : x - Step 2: Convert to fraction form
97,433.08/134,451.30 = 54,985.84/x - Step 3: Cross multiply
97,433.08x = 134,451.30 × 54,985.84 - Step 4: Simplify right side
97,433.08x = 7,392,917,669.59 - Step 5: Solve for x
x = 7,392,917,669.59/97,433.08 - Step 6: Final answer
x = 75,876.88
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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.