Finding the Fourth Proportional to 74,350.08, 102,603.84 and 40,358.84
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Solution
The fourth proportional to 74,350.08, 102,603.84 and 40,358.84 is: 55,695.60
Step by Step Solution
- Step 1: Write the proportion equation
74,350.08 : 102,603.84 = 40,358.84 : x - Step 2: Convert to fraction form
74,350.08/102,603.84 = 40,358.84/x - Step 3: Cross multiply
74,350.08x = 102,603.84 × 40,358.84 - Step 4: Simplify right side
74,350.08x = 4,140,971,961.95 - Step 5: Solve for x
x = 4,140,971,961.95/74,350.08 - Step 6: Final answer
x = 55,695.60
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1.5x scale
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.