Finding the Fourth Proportional to 89,009.08, 122,832.78 and 49,265.08
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Solution
The fourth proportional to 89,009.08, 122,832.78 and 49,265.08 is: 67,985.95
Step by Step Solution
- Step 1: Write the proportion equation
89,009.08 : 122,832.78 = 49,265.08 : x - Step 2: Convert to fraction form
89,009.08/122,832.78 = 49,265.08/x - Step 3: Cross multiply
89,009.08x = 122,832.78 × 49,265.08 - Step 4: Simplify right side
89,009.08x = 6,051,366,733.32 - Step 5: Solve for x
x = 6,051,366,733.32/89,009.08 - Step 6: Final answer
x = 67,985.95
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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.