Finding the Fourth Proportional to 88,009.08, 121,451.04 and 49,768.02
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Solution
The fourth proportional to 88,009.08, 121,451.04 and 49,768.02 is: 68,679.02
Step by Step Solution
- Step 1: Write the proportion equation
88,009.08 : 121,451.04 = 49,768.02 : x - Step 2: Convert to fraction form
88,009.08/121,451.04 = 49,768.02/x - Step 3: Cross multiply
88,009.08x = 121,451.04 × 49,768.02 - Step 4: Simplify right side
88,009.08x = 6,044,377,787.74 - Step 5: Solve for x
x = 6,044,377,787.74/88,009.08 - Step 6: Final answer
x = 68,679.02
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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.