Finding the Fourth Proportional to 122,827.08, 169,499.41 and 69,112.07
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Solution
The fourth proportional to 122,827.08, 169,499.41 and 69,112.07 is: 95,373.55
Step by Step Solution
- Step 1: Write the proportion equation
122,827.08 : 169,499.41 = 69,112.07 : x - Step 2: Convert to fraction form
122,827.08/169,499.41 = 69,112.07/x - Step 3: Cross multiply
122,827.08x = 169,499.41 × 69,112.07 - Step 4: Simplify right side
122,827.08x = 11,714,454,068.60 - Step 5: Solve for x
x = 11,714,454,068.60/122,827.08 - Step 6: Final answer
x = 95,373.55
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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.