Finding the Fourth Proportional to 88,643.60, 122,313.12 and 52,832.96
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Solution
The fourth proportional to 88,643.60, 122,313.12 and 52,832.96 is: 72,900.52
Step by Step Solution
- Step 1: Write the proportion equation
88,643.60 : 122,313.12 = 52,832.96 : x - Step 2: Convert to fraction form
88,643.60/122,313.12 = 52,832.96/x - Step 3: Cross multiply
88,643.60x = 122,313.12 × 52,832.96 - Step 4: Simplify right side
88,643.60x = 6,462,164,176.44 - Step 5: Solve for x
x = 6,462,164,176.44/88,643.60 - Step 6: Final answer
x = 72,900.52
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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.