Finding the Fourth Proportional to 125,403.04, 173,055.68 and 68,815.36
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Solution
The fourth proportional to 125,403.04, 173,055.68 and 68,815.36 is: 94,964.91
Step by Step Solution
- Step 1: Write the proportion equation
125,403.04 : 173,055.68 = 68,815.36 : x - Step 2: Convert to fraction form
125,403.04/173,055.68 = 68,815.36/x - Step 3: Cross multiply
125,403.04x = 173,055.68 × 68,815.36 - Step 4: Simplify right side
125,403.04x = 11,908,888,919.24 - Step 5: Solve for x
x = 11,908,888,919.24/125,403.04 - Step 6: Final answer
x = 94,964.91
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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.