Finding the Fourth Proportional to 98,248.44, 135,585.92 and 55,804.44
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Solution
The fourth proportional to 98,248.44, 135,585.92 and 55,804.44 is: 77,011.87
Step by Step Solution
- Step 1: Write the proportion equation
98,248.44 : 135,585.92 = 55,804.44 : x - Step 2: Convert to fraction form
98,248.44/135,585.92 = 55,804.44/x - Step 3: Cross multiply
98,248.44x = 135,585.92 × 55,804.44 - Step 4: Simplify right side
98,248.44x = 7,566,296,337.48 - Step 5: Solve for x
x = 7,566,296,337.48/98,248.44 - Step 6: Final answer
x = 77,011.87
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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.