Finding the Fourth Proportional to 88,513.64, 122,056.50 and 68,373.80
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Solution
The fourth proportional to 88,513.64, 122,056.50 and 68,373.80 is: 94,284.53
Step by Step Solution
- Step 1: Write the proportion equation
88,513.64 : 122,056.50 = 68,373.80 : x - Step 2: Convert to fraction form
88,513.64/122,056.50 = 68,373.80/x - Step 3: Cross multiply
88,513.64x = 122,056.50 × 68,373.80 - Step 4: Simplify right side
88,513.64x = 8,345,466,719.70 - Step 5: Solve for x
x = 8,345,466,719.70/88,513.64 - Step 6: Final answer
x = 94,284.53
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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.