Finding the Fourth Proportional to 83,530.24, 115,276.98 and 45,804.49
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Solution
The fourth proportional to 83,530.24, 115,276.98 and 45,804.49 is: 63,213.07
Step by Step Solution
- Step 1: Write the proportion equation
83,530.24 : 115,276.98 = 45,804.49 : x - Step 2: Convert to fraction form
83,530.24/115,276.98 = 45,804.49/x - Step 3: Cross multiply
83,530.24x = 115,276.98 × 45,804.49 - Step 4: Simplify right side
83,530.24x = 5,280,203,277.64 - Step 5: Solve for x
x = 5,280,203,277.64/83,530.24 - Step 6: Final answer
x = 63,213.07
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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.