Finding the Fourth Proportional to 93,678.44, 129,281.00 and 55,459.94
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Solution
The fourth proportional to 93,678.44, 129,281.00 and 55,459.94 is: 76,537.53
Step by Step Solution
- Step 1: Write the proportion equation
93,678.44 : 129,281.00 = 55,459.94 : x - Step 2: Convert to fraction form
93,678.44/129,281.00 = 55,459.94/x - Step 3: Cross multiply
93,678.44x = 129,281.00 × 55,459.94 - Step 4: Simplify right side
93,678.44x = 7,169,915,579.44 - Step 5: Solve for x
x = 7,169,915,579.44/93,678.44 - Step 6: Final answer
x = 76,537.53
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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.