Finding the Fourth Proportional to 97,852.15, 135,033.73 and 57,557.08
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Solution
The fourth proportional to 97,852.15, 135,033.73 and 57,557.08 is: 79,427.46
Step by Step Solution
- Step 1: Write the proportion equation
97,852.15 : 135,033.73 = 57,557.08 : x - Step 2: Convert to fraction form
97,852.15/135,033.73 = 57,557.08/x - Step 3: Cross multiply
97,852.15x = 135,033.73 × 57,557.08 - Step 4: Simplify right side
97,852.15x = 7,772,147,548.97 - Step 5: Solve for x
x = 7,772,147,548.97/97,852.15 - Step 6: Final answer
x = 79,427.46
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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.