Finding the Fourth Proportional to 93,656.16, 129,235.68 and 53,361.54
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Solution
The fourth proportional to 93,656.16, 129,235.68 and 53,361.54 is: 73,633.33
Step by Step Solution
- Step 1: Write the proportion equation
93,656.16 : 129,235.68 = 53,361.54 : x - Step 2: Convert to fraction form
93,656.16/129,235.68 = 53,361.54/x - Step 3: Cross multiply
93,656.16x = 129,235.68 × 53,361.54 - Step 4: Simplify right side
93,656.16x = 6,896,214,907.75 - Step 5: Solve for x
x = 6,896,214,907.75/93,656.16 - Step 6: Final answer
x = 73,633.33
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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.