Finding the Fourth Proportional to 69,638.05, 104,385.57 and 27,501.06
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Solution
The fourth proportional to 69,638.05, 104,385.57 and 27,501.06 is: 41,223.35
Step by Step Solution
- Step 1: Write the proportion equation
69,638.05 : 104,385.57 = 27,501.06 : x - Step 2: Convert to fraction form
69,638.05/104,385.57 = 27,501.06/x - Step 3: Cross multiply
69,638.05x = 104,385.57 × 27,501.06 - Step 4: Simplify right side
69,638.05x = 2,870,713,823.70 - Step 5: Solve for x
x = 2,870,713,823.70/69,638.05 - Step 6: Final answer
x = 41,223.35
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1.5x scale
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.