Finding the Fourth Proportional to 74,870.19, 112,332.02 and 32,157.68
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Solution
The fourth proportional to 74,870.19, 112,332.02 and 32,157.68 is: 48,247.99
Step by Step Solution
- Step 1: Write the proportion equation
74,870.19 : 112,332.02 = 32,157.68 : x - Step 2: Convert to fraction form
74,870.19/112,332.02 = 32,157.68/x - Step 3: Cross multiply
74,870.19x = 112,332.02 × 32,157.68 - Step 4: Simplify right side
74,870.19x = 3,612,336,430.47 - Step 5: Solve for x
x = 3,612,336,430.47/74,870.19 - Step 6: Final answer
x = 48,247.99
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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.