Finding the Fourth Proportional to 88,048.76, 121,477.74 and 50,296.28
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Solution
The fourth proportional to 88,048.76, 121,477.74 and 50,296.28 is: 69,391.99
Step by Step Solution
- Step 1: Write the proportion equation
88,048.76 : 121,477.74 = 50,296.28 : x - Step 2: Convert to fraction form
88,048.76/121,477.74 = 50,296.28/x - Step 3: Cross multiply
88,048.76x = 121,477.74 × 50,296.28 - Step 4: Simplify right side
88,048.76x = 6,109,878,424.81 - Step 5: Solve for x
x = 6,109,878,424.81/88,048.76 - Step 6: Final answer
x = 69,391.99
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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.