Finding the Fourth Proportional to 77,726.60, 116,583.42 and 46,539.08
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Solution
The fourth proportional to 77,726.60, 116,583.42 and 46,539.08 is: 69,804.74
Step by Step Solution
- Step 1: Write the proportion equation
77,726.60 : 116,583.42 = 46,539.08 : x - Step 2: Convert to fraction form
77,726.60/116,583.42 = 46,539.08/x - Step 3: Cross multiply
77,726.60x = 116,583.42 × 46,539.08 - Step 4: Simplify right side
77,726.60x = 5,425,685,110.05 - Step 5: Solve for x
x = 5,425,685,110.05/77,726.60 - Step 6: Final answer
x = 69,804.74
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.