Finding the Fourth Proportional to 76,006.76, 104,888.58 and 42,472.76
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Solution
The fourth proportional to 76,006.76, 104,888.58 and 42,472.76 is: 58,611.99
Step by Step Solution
- Step 1: Write the proportion equation
76,006.76 : 104,888.58 = 42,472.76 : x - Step 2: Convert to fraction form
76,006.76/104,888.58 = 42,472.76/x - Step 3: Cross multiply
76,006.76x = 104,888.58 × 42,472.76 - Step 4: Simplify right side
76,006.76x = 4,454,907,485.08 - Step 5: Solve for x
x = 4,454,907,485.08/76,006.76 - Step 6: Final answer
x = 58,611.99
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1.5x scale
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.