Finding the Fourth Proportional to 75,460.48, 104,136.08 and 47,182.56
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Solution
The fourth proportional to 75,460.48, 104,136.08 and 47,182.56 is: 65,112.32
Step by Step Solution
- Step 1: Write the proportion equation
75,460.48 : 104,136.08 = 47,182.56 : x - Step 2: Convert to fraction form
75,460.48/104,136.08 = 47,182.56/x - Step 3: Cross multiply
75,460.48x = 104,136.08 × 47,182.56 - Step 4: Simplify right side
75,460.48x = 4,913,406,842.76 - Step 5: Solve for x
x = 4,913,406,842.76/75,460.48 - Step 6: Final answer
x = 65,112.32
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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.