Finding the Fourth Proportional to 88,043.08, 121,499.01 and 49,281.08
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Solution
The fourth proportional to 88,043.08, 121,499.01 and 49,281.08 is: 68,007.65
Step by Step Solution
- Step 1: Write the proportion equation
88,043.08 : 121,499.01 = 49,281.08 : x - Step 2: Convert to fraction form
88,043.08/121,499.01 = 49,281.08/x - Step 3: Cross multiply
88,043.08x = 121,499.01 × 49,281.08 - Step 4: Simplify right side
88,043.08x = 5,987,602,987.99 - Step 5: Solve for x
x = 5,987,602,987.99/88,043.08 - Step 6: Final answer
x = 68,007.65
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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.