Finding the Fourth Proportional to 74,603.84, 102,492.80 and 66,750.08
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Solution
The fourth proportional to 74,603.84, 102,492.80 and 66,750.08 is: 91,703.09
Step by Step Solution
- Step 1: Write the proportion equation
74,603.84 : 102,492.80 = 66,750.08 : x - Step 2: Convert to fraction form
74,603.84/102,492.80 = 66,750.08/x - Step 3: Cross multiply
74,603.84x = 102,492.80 × 66,750.08 - Step 4: Simplify right side
74,603.84x = 6,841,402,599.42 - Step 5: Solve for x
x = 6,841,402,599.42/74,603.84 - Step 6: Final answer
x = 91,703.09
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.