Finding the Fourth Proportional to 75,980.63, 104,848.04 and 41,988.80
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Solution
The fourth proportional to 75,980.63, 104,848.04 and 41,988.80 is: 57,941.65
Step by Step Solution
- Step 1: Write the proportion equation
75,980.63 : 104,848.04 = 41,988.80 : x - Step 2: Convert to fraction form
75,980.63/104,848.04 = 41,988.80/x - Step 3: Cross multiply
75,980.63x = 104,848.04 × 41,988.80 - Step 4: Simplify right side
75,980.63x = 4,402,442,923.09 - Step 5: Solve for x
x = 4,402,442,923.09/75,980.63 - Step 6: Final answer
x = 57,941.65
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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.