Finding the Fourth Proportional to 104,553.15, 144,282.95 and 56,806.08
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Solution
The fourth proportional to 104,553.15, 144,282.95 and 56,806.08 is: 78,392.17
Step by Step Solution
- Step 1: Write the proportion equation
104,553.15 : 144,282.95 = 56,806.08 : x - Step 2: Convert to fraction form
104,553.15/144,282.95 = 56,806.08/x - Step 3: Cross multiply
104,553.15x = 144,282.95 × 56,806.08 - Step 4: Simplify right side
104,553.15x = 8,196,148,516.31 - Step 5: Solve for x
x = 8,196,148,516.31/104,553.15 - Step 6: Final answer
x = 78,392.17
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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.