Finding the Fourth Proportional to 74,811.84, 112,266.36 and 68,804.88
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Solution
The fourth proportional to 74,811.84, 112,266.36 and 68,804.88 is: 103,252.02
Step by Step Solution
- Step 1: Write the proportion equation
74,811.84 : 112,266.36 = 68,804.88 : x - Step 2: Convert to fraction form
74,811.84/112,266.36 = 68,804.88/x - Step 3: Cross multiply
74,811.84x = 112,266.36 × 68,804.88 - Step 4: Simplify right side
74,811.84x = 7,724,473,427.84 - Step 5: Solve for x
x = 7,724,473,427.84/74,811.84 - Step 6: Final answer
x = 103,252.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.