Finding the Fourth Proportional to 88,314.53, 121,875.12 and 48,029.31
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Solution
The fourth proportional to 88,314.53, 121,875.12 and 48,029.31 is: 66,281.03
Step by Step Solution
- Step 1: Write the proportion equation
88,314.53 : 121,875.12 = 48,029.31 : x - Step 2: Convert to fraction form
88,314.53/121,875.12 = 48,029.31/x - Step 3: Cross multiply
88,314.53x = 121,875.12 × 48,029.31 - Step 4: Simplify right side
88,314.53x = 5,853,577,919.77 - Step 5: Solve for x
x = 5,853,577,919.77/88,314.53 - Step 6: Final answer
x = 66,281.03
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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.