Finding the Fourth Proportional to 88,780.84, 122,521.16 and 51,055.09
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Solution
The fourth proportional to 88,780.84, 122,521.16 and 51,055.09 is: 70,458.09
Step by Step Solution
- Step 1: Write the proportion equation
88,780.84 : 122,521.16 = 51,055.09 : x - Step 2: Convert to fraction form
88,780.84/122,521.16 = 51,055.09/x - Step 3: Cross multiply
88,780.84x = 122,521.16 × 51,055.09 - Step 4: Simplify right side
88,780.84x = 6,255,327,982.82 - Step 5: Solve for x
x = 6,255,327,982.82/88,780.84 - Step 6: Final answer
x = 70,458.09
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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.