Finding the Fourth Proportional to 77,585.68, 107,068.36 and 44,051.68
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Solution
The fourth proportional to 77,585.68, 107,068.36 and 44,051.68 is: 60,791.39
Step by Step Solution
- Step 1: Write the proportion equation
77,585.68 : 107,068.36 = 44,051.68 : x - Step 2: Convert to fraction form
77,585.68/107,068.36 = 44,051.68/x - Step 3: Cross multiply
77,585.68x = 107,068.36 × 44,051.68 - Step 4: Simplify right side
77,585.68x = 4,716,541,132.84 - Step 5: Solve for x
x = 4,716,541,132.84/77,585.68 - Step 6: Final answer
x = 60,791.39
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Double scale
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1.5x scale
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.