Finding the Fourth Proportional to 93,139.08, 128,528.36 and 52,850.44
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Solution
The fourth proportional to 93,139.08, 128,528.36 and 52,850.44 is: 72,931.58
Step by Step Solution
- Step 1: Write the proportion equation
93,139.08 : 128,528.36 = 52,850.44 : x - Step 2: Convert to fraction form
93,139.08/128,528.36 = 52,850.44/x - Step 3: Cross multiply
93,139.08x = 128,528.36 × 52,850.44 - Step 4: Simplify right side
93,139.08x = 6,792,780,189.28 - Step 5: Solve for x
x = 6,792,780,189.28/93,139.08 - Step 6: Final answer
x = 72,931.58
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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.