Finding the Fourth Proportional to 89,034.51, 122,862.93 and 48,740.55
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Solution
The fourth proportional to 89,034.51, 122,862.93 and 48,740.55 is: 67,259.39
Step by Step Solution
- Step 1: Write the proportion equation
89,034.51 : 122,862.93 = 48,740.55 : x - Step 2: Convert to fraction form
89,034.51/122,862.93 = 48,740.55/x - Step 3: Cross multiply
89,034.51x = 122,862.93 × 48,740.55 - Step 4: Simplify right side
89,034.51x = 5,988,406,782.81 - Step 5: Solve for x
x = 5,988,406,782.81/89,034.51 - Step 6: Final answer
x = 67,259.39
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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.