Finding the Fourth Proportional to 75,053.48, 103,528.68 and 49,560.08
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Solution
The fourth proportional to 75,053.48, 103,528.68 and 49,560.08 is: 68,363.11
Step by Step Solution
- Step 1: Write the proportion equation
75,053.48 : 103,528.68 = 49,560.08 : x - Step 2: Convert to fraction form
75,053.48/103,528.68 = 49,560.08/x - Step 3: Cross multiply
75,053.48x = 103,528.68 × 49,560.08 - Step 4: Simplify right side
75,053.48x = 5,130,889,663.09 - Step 5: Solve for x
x = 5,130,889,663.09/75,053.48 - Step 6: Final answer
x = 68,363.11
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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.