Finding the Fourth Proportional to 88,070.72, 121,534.05 and 47,782.94
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Solution
The fourth proportional to 88,070.72, 121,534.05 and 47,782.94 is: 65,938.53
Step by Step Solution
- Step 1: Write the proportion equation
88,070.72 : 121,534.05 = 47,782.94 : x - Step 2: Convert to fraction form
88,070.72/121,534.05 = 47,782.94/x - Step 3: Cross multiply
88,070.72x = 121,534.05 × 47,782.94 - Step 4: Simplify right side
88,070.72x = 5,807,253,888.00 - Step 5: Solve for x
x = 5,807,253,888.00/88,070.72 - Step 6: Final answer
x = 65,938.53
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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.