Finding the Fourth Proportional to 88,130.98, 121,621.63 and 47,845.07
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Solution
The fourth proportional to 88,130.98, 121,621.63 and 47,845.07 is: 66,026.68
Step by Step Solution
- Step 1: Write the proportion equation
88,130.98 : 121,621.63 = 47,845.07 : x - Step 2: Convert to fraction form
88,130.98/121,621.63 = 47,845.07/x - Step 3: Cross multiply
88,130.98x = 121,621.63 × 47,845.07 - Step 4: Simplify right side
88,130.98x = 5,818,995,585.31 - Step 5: Solve for x
x = 5,818,995,585.31/88,130.98 - Step 6: Final answer
x = 66,026.68
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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.