Finding the Fourth Proportional to 93,519.48, 129,051.12 and 51,075.48
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Solution
The fourth proportional to 93,519.48, 129,051.12 and 51,075.48 is: 70,481.02
Step by Step Solution
- Step 1: Write the proportion equation
93,519.48 : 129,051.12 = 51,075.48 : x - Step 2: Convert to fraction form
93,519.48/129,051.12 = 51,075.48/x - Step 3: Cross multiply
93,519.48x = 129,051.12 × 51,075.48 - Step 4: Simplify right side
93,519.48x = 6,591,347,898.54 - Step 5: Solve for x
x = 6,591,347,898.54/93,519.48 - Step 6: Final answer
x = 70,481.02
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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.