Finding the Fourth Proportional to 74,603.09, 102,989.00 and 58,442.54
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Solution
The fourth proportional to 74,603.09, 102,989.00 and 58,442.54 is: 80,679.48
Step by Step Solution
- Step 1: Write the proportion equation
74,603.09 : 102,989.00 = 58,442.54 : x - Step 2: Convert to fraction form
74,603.09/102,989.00 = 58,442.54/x - Step 3: Cross multiply
74,603.09x = 102,989.00 × 58,442.54 - Step 4: Simplify right side
74,603.09x = 6,018,938,383.22 - Step 5: Solve for x
x = 6,018,938,383.22/74,603.09 - Step 6: Final answer
x = 80,679.48
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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.