Finding the Fourth Proportional to 97,122.12, 145,579.50 and 69,335.88
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Solution
The fourth proportional to 97,122.12, 145,579.50 and 69,335.88 is: 103,929.80
Step by Step Solution
- Step 1: Write the proportion equation
97,122.12 : 145,579.50 = 69,335.88 : x - Step 2: Convert to fraction form
97,122.12/145,579.50 = 69,335.88/x - Step 3: Cross multiply
97,122.12x = 145,579.50 × 69,335.88 - Step 4: Simplify right side
97,122.12x = 10,093,882,742.46 - Step 5: Solve for x
x = 10,093,882,742.46/97,122.12 - Step 6: Final answer
x = 103,929.80
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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.