Finding the Fourth Proportional to 124,634.08, 171,994.35 and 68,045.05
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Solution
The fourth proportional to 124,634.08, 171,994.35 and 68,045.05 is: 93,901.80
Step by Step Solution
- Step 1: Write the proportion equation
124,634.08 : 171,994.35 = 68,045.05 : x - Step 2: Convert to fraction form
124,634.08/171,994.35 = 68,045.05/x - Step 3: Cross multiply
124,634.08x = 171,994.35 × 68,045.05 - Step 4: Simplify right side
124,634.08x = 11,703,364,145.47 - Step 5: Solve for x
x = 11,703,364,145.47/124,634.08 - Step 6: Final answer
x = 93,901.80
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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.