Finding the Fourth Proportional to 83,382.24, 115,085.36 and 53,160.60
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Solution
The fourth proportional to 83,382.24, 115,085.36 and 53,160.60 is: 73,373.02
Step by Step Solution
- Step 1: Write the proportion equation
83,382.24 : 115,085.36 = 53,160.60 : x - Step 2: Convert to fraction form
83,382.24/115,085.36 = 53,160.60/x - Step 3: Cross multiply
83,382.24x = 115,085.36 × 53,160.60 - Step 4: Simplify right side
83,382.24x = 6,118,006,788.82 - Step 5: Solve for x
x = 6,118,006,788.82/83,382.24 - Step 6: Final answer
x = 73,373.02
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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.