Finding the Fourth Proportional to 114,239.58, 171,326.49 and 39,356.70
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Solution
The fourth proportional to 114,239.58, 171,326.49 and 39,356.70 is: 59,023.72
Step by Step Solution
- Step 1: Write the proportion equation
114,239.58 : 171,326.49 = 39,356.70 : x - Step 2: Convert to fraction form
114,239.58/171,326.49 = 39,356.70/x - Step 3: Cross multiply
114,239.58x = 171,326.49 × 39,356.70 - Step 4: Simplify right side
114,239.58x = 6,742,845,268.98 - Step 5: Solve for x
x = 6,742,845,268.98/114,239.58 - Step 6: Final answer
x = 59,023.72
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.