Finding the Fourth Proportional to 74,750.10, 112,177.68 and 67,603.66
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Solution
The fourth proportional to 74,750.10, 112,177.68 and 67,603.66 is: 101,453.00
Step by Step Solution
- Step 1: Write the proportion equation
74,750.10 : 112,177.68 = 67,603.66 : x - Step 2: Convert to fraction form
74,750.10/112,177.68 = 67,603.66/x - Step 3: Cross multiply
74,750.10x = 112,177.68 × 67,603.66 - Step 4: Simplify right side
74,750.10x = 7,583,621,738.31 - Step 5: Solve for x
x = 7,583,621,738.31/74,750.10 - Step 6: Final answer
x = 101,453.00
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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.