Finding the Fourth Proportional to 92,239.84, 127,291.12 and 53,992.44
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Solution
The fourth proportional to 92,239.84, 127,291.12 and 53,992.44 is: 74,509.65
Step by Step Solution
- Step 1: Write the proportion equation
92,239.84 : 127,291.12 = 53,992.44 : x - Step 2: Convert to fraction form
92,239.84/127,291.12 = 53,992.44/x - Step 3: Cross multiply
92,239.84x = 127,291.12 × 53,992.44 - Step 4: Simplify right side
92,239.84x = 6,872,758,159.13 - Step 5: Solve for x
x = 6,872,758,159.13/92,239.84 - Step 6: Final answer
x = 74,509.65
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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.