Finding the Fourth Proportional to 83,537.02, 115,279.68 and 47,237.88
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Solution
The fourth proportional to 83,537.02, 115,279.68 and 47,237.88 is: 65,187.48
Step by Step Solution
- Step 1: Write the proportion equation
83,537.02 : 115,279.68 = 47,237.88 : x - Step 2: Convert to fraction form
83,537.02/115,279.68 = 47,237.88/x - Step 3: Cross multiply
83,537.02x = 115,279.68 × 47,237.88 - Step 4: Simplify right side
83,537.02x = 5,445,567,690.28 - Step 5: Solve for x
x = 5,445,567,690.28/83,537.02 - Step 6: Final answer
x = 65,187.48
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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.