Finding the Fourth Proportional to 98,590.26, 136,078.74 and 56,173.80
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Solution
The fourth proportional to 98,590.26, 136,078.74 and 56,173.80 is: 77,533.62
Step by Step Solution
- Step 1: Write the proportion equation
98,590.26 : 136,078.74 = 56,173.80 : x - Step 2: Convert to fraction form
98,590.26/136,078.74 = 56,173.80/x - Step 3: Cross multiply
98,590.26x = 136,078.74 × 56,173.80 - Step 4: Simplify right side
98,590.26x = 7,644,059,925.01 - Step 5: Solve for x
x = 7,644,059,925.01/98,590.26 - Step 6: Final answer
x = 77,533.62
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.