Finding the Fourth Proportional to 89,979,623.92, 124,172,000.76 and 48,726,587.44
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Solution
The fourth proportional to 89,979,623.92, 124,172,000.76 and 48,726,587.44 is: 67,242,755.52
Step by Step Solution
- Step 1: Write the proportion equation
89,979,623.92 : 124,172,000.76 = 48,726,587.44 : x - Step 2: Convert to fraction form
89,979,623.92/124,172,000.76 = 48,726,587.44/x - Step 3: Cross multiply
89,979,623.92x = 124,172,000.76 × 48,726,587.44 - Step 4: Simplify right side
89,979,623.92x = 6,050,477,852,631,886 - Step 5: Solve for x
x = 6,050,477,852,631,886/89,979,623.92 - Step 6: Final answer
x = 67,242,755.52
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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.