Finding the Fourth Proportional to 75,430.63, 104,112.98 and 43,594.93
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Solution
The fourth proportional to 75,430.63, 104,112.98 and 43,594.93 is: 60,171.82
Step by Step Solution
- Step 1: Write the proportion equation
75,430.63 : 104,112.98 = 43,594.93 : x - Step 2: Convert to fraction form
75,430.63/104,112.98 = 43,594.93/x - Step 3: Cross multiply
75,430.63x = 104,112.98 × 43,594.93 - Step 4: Simplify right side
75,430.63x = 4,538,798,075.19 - Step 5: Solve for x
x = 4,538,798,075.19/75,430.63 - Step 6: Final answer
x = 60,171.82
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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.