Finding the Fourth Proportional to 81,545.63, 112,533.17 and 47,577.47
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Solution
The fourth proportional to 81,545.63, 112,533.17 and 47,577.47 is: 65,657.02
Step by Step Solution
- Step 1: Write the proportion equation
81,545.63 : 112,533.17 = 47,577.47 : x - Step 2: Convert to fraction form
81,545.63/112,533.17 = 47,577.47/x - Step 3: Cross multiply
81,545.63x = 112,533.17 × 47,577.47 - Step 4: Simplify right side
81,545.63x = 5,354,042,719.13 - Step 5: Solve for x
x = 5,354,042,719.13/81,545.63 - Step 6: Final answer
x = 65,657.02
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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.