Finding the Fourth Proportional to 93,813.63, 129,485.60 and 57,982.07
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Solution
The fourth proportional to 93,813.63, 129,485.60 and 57,982.07 is: 80,029.33
Step by Step Solution
- Step 1: Write the proportion equation
93,813.63 : 129,485.60 = 57,982.07 : x - Step 2: Convert to fraction form
93,813.63/129,485.60 = 57,982.07/x - Step 3: Cross multiply
93,813.63x = 129,485.60 × 57,982.07 - Step 4: Simplify right side
93,813.63x = 7,507,842,185.85 - Step 5: Solve for x
x = 7,507,842,185.85/93,813.63 - Step 6: Final answer
x = 80,029.33
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1.5x scale
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.