Finding the Fourth Proportional to 92,794.88, 139,068.24 and 48,328.28
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Solution
The fourth proportional to 92,794.88, 139,068.24 and 48,328.28 is: 72,427.80
Step by Step Solution
- Step 1: Write the proportion equation
92,794.88 : 139,068.24 = 48,328.28 : x - Step 2: Convert to fraction form
92,794.88/139,068.24 = 48,328.28/x - Step 3: Cross multiply
92,794.88x = 139,068.24 × 48,328.28 - Step 4: Simplify right side
92,794.88x = 6,720,928,841.83 - Step 5: Solve for x
x = 6,720,928,841.83/92,794.88 - Step 6: Final answer
x = 72,427.80
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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.