Finding the Fourth Proportional to 113,820.44, 157,068.09 and 62,832.08
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Solution
The fourth proportional to 113,820.44, 157,068.09 and 62,832.08 is: 86,705.99
Step by Step Solution
- Step 1: Write the proportion equation
113,820.44 : 157,068.09 = 62,832.08 : x - Step 2: Convert to fraction form
113,820.44/157,068.09 = 62,832.08/x - Step 3: Cross multiply
113,820.44x = 157,068.09 × 62,832.08 - Step 4: Simplify right side
113,820.44x = 9,868,913,696.83 - Step 5: Solve for x
x = 9,868,913,696.83/113,820.44 - Step 6: Final answer
x = 86,705.99
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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.