Finding the Fourth Proportional to 113,539.42, 156,696.62 and 62,557.31
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Solution
The fourth proportional to 113,539.42, 156,696.62 and 62,557.31 is: 86,335.82
Step by Step Solution
- Step 1: Write the proportion equation
113,539.42 : 156,696.62 = 62,557.31 : x - Step 2: Convert to fraction form
113,539.42/156,696.62 = 62,557.31/x - Step 3: Cross multiply
113,539.42x = 156,696.62 × 62,557.31 - Step 4: Simplify right side
113,539.42x = 9,802,519,033.29 - Step 5: Solve for x
x = 9,802,519,033.29/113,539.42 - Step 6: Final answer
x = 86,335.82
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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.