Finding the Fourth Proportional to 88,278.24, 121,863.24 and 52,479.84
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Solution
The fourth proportional to 88,278.24, 121,863.24 and 52,479.84 is: 72,445.52
Step by Step Solution
- Step 1: Write the proportion equation
88,278.24 : 121,863.24 = 52,479.84 : x - Step 2: Convert to fraction form
88,278.24/121,863.24 = 52,479.84/x - Step 3: Cross multiply
88,278.24x = 121,863.24 × 52,479.84 - Step 4: Simplify right side
88,278.24x = 6,395,363,337.08 - Step 5: Solve for x
x = 6,395,363,337.08/88,278.24 - Step 6: Final answer
x = 72,445.52
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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.