Finding the Fourth Proportional to 75,138.04, 112,718.04 and 22,551.67
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Solution
The fourth proportional to 75,138.04, 112,718.04 and 22,551.67 is: 33,830.80
Step by Step Solution
- Step 1: Write the proportion equation
75,138.04 : 112,718.04 = 22,551.67 : x - Step 2: Convert to fraction form
75,138.04/112,718.04 = 22,551.67/x - Step 3: Cross multiply
75,138.04x = 112,718.04 × 22,551.67 - Step 4: Simplify right side
75,138.04x = 2,541,980,041.13 - Step 5: Solve for x
x = 2,541,980,041.13/75,138.04 - Step 6: Final answer
x = 33,830.80
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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.