Finding the Fourth Proportional to 101,295, 139,787.10 and 56,583
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Solution
The fourth proportional to 101,295, 139,787.10 and 56,583 is: 78,084.54
Step by Step Solution
- Step 1: Write the proportion equation
101,295 : 139,787.10 = 56,583 : x - Step 2: Convert to fraction form
101,295/139,787.10 = 56,583/x - Step 3: Cross multiply
101,295x = 139,787.10 × 56,583 - Step 4: Simplify right side
101,295x = 7,909,573,479.30 - Step 5: Solve for x
x = 7,909,573,479.30/101,295 - Step 6: Final answer
x = 78,084.54
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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.