Finding the Fourth Proportional to 88,897.29, 122,681.55 and 48,608.70
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Solution
The fourth proportional to 88,897.29, 122,681.55 and 48,608.70 is: 67,081.80
Step by Step Solution
- Step 1: Write the proportion equation
88,897.29 : 122,681.55 = 48,608.70 : x - Step 2: Convert to fraction form
88,897.29/122,681.55 = 48,608.70/x - Step 3: Cross multiply
88,897.29x = 122,681.55 × 48,608.70 - Step 4: Simplify right side
88,897.29x = 5,963,390,659.49 - Step 5: Solve for x
x = 5,963,390,659.49/88,897.29 - Step 6: Final answer
x = 67,081.80
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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.