Finding the Fourth Proportional to 69,587.19, 104,379.57 and 48,220.20
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Solution
The fourth proportional to 69,587.19, 104,379.57 and 48,220.20 is: 72,329.46
Step by Step Solution
- Step 1: Write the proportion equation
69,587.19 : 104,379.57 = 48,220.20 : x - Step 2: Convert to fraction form
69,587.19/104,379.57 = 48,220.20/x - Step 3: Cross multiply
69,587.19x = 104,379.57 × 48,220.20 - Step 4: Simplify right side
69,587.19x = 5,033,203,741.31 - Step 5: Solve for x
x = 5,033,203,741.31/69,587.19 - Step 6: Final answer
x = 72,329.46
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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.