Finding the Fourth Proportional to 88,790.06, 122,533.94 and 51,064.31
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Solution
The fourth proportional to 88,790.06, 122,533.94 and 51,064.31 is: 70,470.85
Step by Step Solution
- Step 1: Write the proportion equation
88,790.06 : 122,533.94 = 51,064.31 : x - Step 2: Convert to fraction form
88,790.06/122,533.94 = 51,064.31/x - Step 3: Cross multiply
88,790.06x = 122,533.94 × 51,064.31 - Step 4: Simplify right side
88,790.06x = 6,257,111,531.68 - Step 5: Solve for x
x = 6,257,111,531.68/88,790.06 - Step 6: Final answer
x = 70,470.85
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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.