Finding the Fourth Proportional to 93,849.76, 129,516.24 and 53,570.08
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Solution
The fourth proportional to 93,849.76, 129,516.24 and 53,570.08 is: 73,928.75
Step by Step Solution
- Step 1: Write the proportion equation
93,849.76 : 129,516.24 = 53,570.08 : x - Step 2: Convert to fraction form
93,849.76/129,516.24 = 53,570.08/x - Step 3: Cross multiply
93,849.76x = 129,516.24 × 53,570.08 - Step 4: Simplify right side
93,849.76x = 6,938,195,338.10 - Step 5: Solve for x
x = 6,938,195,338.10/93,849.76 - Step 6: Final answer
x = 73,928.75
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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.