Finding the Fourth Proportional to 102,813.62, 141,823.64 and 60,363.95
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Solution
The fourth proportional to 102,813.62, 141,823.64 and 60,363.95 is: 83,267.52
Step by Step Solution
- Step 1: Write the proportion equation
102,813.62 : 141,823.64 = 60,363.95 : x - Step 2: Convert to fraction form
102,813.62/141,823.64 = 60,363.95/x - Step 3: Cross multiply
102,813.62x = 141,823.64 × 60,363.95 - Step 4: Simplify right side
102,813.62x = 8,561,034,555.57 - Step 5: Solve for x
x = 8,561,034,555.57/102,813.62 - Step 6: Final answer
x = 83,267.52
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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.