Finding the Fourth Proportional to 98,896.42, 136,477.47 and 53,574.49
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Solution
The fourth proportional to 98,896.42, 136,477.47 and 53,574.49 is: 73,933.02
Step by Step Solution
- Step 1: Write the proportion equation
98,896.42 : 136,477.47 = 53,574.49 : x - Step 2: Convert to fraction form
98,896.42/136,477.47 = 53,574.49/x - Step 3: Cross multiply
98,896.42x = 136,477.47 × 53,574.49 - Step 4: Simplify right side
98,896.42x = 7,311,710,851.74 - Step 5: Solve for x
x = 7,311,710,851.74/98,896.42 - Step 6: Final answer
x = 73,933.02
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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.