Finding the Fourth Proportional to 106,726.57, 147,283.11 and 58,329.47
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Solution
The fourth proportional to 106,726.57, 147,283.11 and 58,329.47 is: 80,494.92
Step by Step Solution
- Step 1: Write the proportion equation
106,726.57 : 147,283.11 = 58,329.47 : x - Step 2: Convert to fraction form
106,726.57/147,283.11 = 58,329.47/x - Step 3: Cross multiply
106,726.57x = 147,283.11 × 58,329.47 - Step 4: Simplify right side
106,726.57x = 8,590,946,114.46 - Step 5: Solve for x
x = 8,590,946,114.46/106,726.57 - Step 6: Final answer
x = 80,494.92
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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.