Finding the Fourth Proportional to 125,688.93, 173,448.65 and 68,329.67
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Solution
The fourth proportional to 125,688.93, 173,448.65 and 68,329.67 is: 94,293.82
Step by Step Solution
- Step 1: Write the proportion equation
125,688.93 : 173,448.65 = 68,329.67 : x - Step 2: Convert to fraction form
125,688.93/173,448.65 = 68,329.67/x - Step 3: Cross multiply
125,688.93x = 173,448.65 × 68,329.67 - Step 4: Simplify right side
125,688.93x = 11,851,689,279.24 - Step 5: Solve for x
x = 11,851,689,279.24/125,688.93 - Step 6: Final answer
x = 94,293.82
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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.