Finding the Fourth Proportional to 88,303.14, 121,857.68 and 48,016.94
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Solution
The fourth proportional to 88,303.14, 121,857.68 and 48,016.94 is: 66,263.02
Step by Step Solution
- Step 1: Write the proportion equation
88,303.14 : 121,857.68 = 48,016.94 : x - Step 2: Convert to fraction form
88,303.14/121,857.68 = 48,016.94/x - Step 3: Cross multiply
88,303.14x = 121,857.68 × 48,016.94 - Step 4: Simplify right side
88,303.14x = 5,851,232,909.10 - Step 5: Solve for x
x = 5,851,232,909.10/88,303.14 - Step 6: Final answer
x = 66,263.02
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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.