Finding the Fourth Proportional to 75,989.12, 113,985.98 and 26,068.49
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Solution
The fourth proportional to 75,989.12, 113,985.98 and 26,068.49 is: 39,103.52
Step by Step Solution
- Step 1: Write the proportion equation
75,989.12 : 113,985.98 = 26,068.49 : x - Step 2: Convert to fraction form
75,989.12/113,985.98 = 26,068.49/x - Step 3: Cross multiply
75,989.12x = 113,985.98 × 26,068.49 - Step 4: Simplify right side
75,989.12x = 2,971,442,204.70 - Step 5: Solve for x
x = 2,971,442,204.70/75,989.12 - Step 6: Final answer
x = 39,103.52
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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.