Finding the Fourth Proportional to 68,335.30, 102,502.95 and 63,669.70
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Solution
The fourth proportional to 68,335.30, 102,502.95 and 63,669.70 is: 95,504.55
Step by Step Solution
- Step 1: Write the proportion equation
68,335.30 : 102,502.95 = 63,669.70 : x - Step 2: Convert to fraction form
68,335.30/102,502.95 = 63,669.70/x - Step 3: Cross multiply
68,335.30x = 102,502.95 × 63,669.70 - Step 4: Simplify right side
68,335.30x = 6,526,332,075.62 - Step 5: Solve for x
x = 6,526,332,075.62/68,335.30 - Step 6: Final answer
x = 95,504.55
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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.