Finding the Fourth Proportional to 92,553.25, 138,724.93 and 42,529.99
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Solution
The fourth proportional to 92,553.25, 138,724.93 and 42,529.99 is: 63,746.75
Step by Step Solution
- Step 1: Write the proportion equation
92,553.25 : 138,724.93 = 42,529.99 : x - Step 2: Convert to fraction form
92,553.25/138,724.93 = 42,529.99/x - Step 3: Cross multiply
92,553.25x = 138,724.93 × 42,529.99 - Step 4: Simplify right side
92,553.25x = 5,899,968,979.38 - Step 5: Solve for x
x = 5,899,968,979.38/92,553.25 - Step 6: Final answer
x = 63,746.75
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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.