Finding the Fourth Proportional to 97,860.73, 135,045.51 and 57,577.09
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Solution
The fourth proportional to 97,860.73, 135,045.51 and 57,577.09 is: 79,455.03
Step by Step Solution
- Step 1: Write the proportion equation
97,860.73 : 135,045.51 = 57,577.09 : x - Step 2: Convert to fraction form
97,860.73/135,045.51 = 57,577.09/x - Step 3: Cross multiply
97,860.73x = 135,045.51 × 57,577.09 - Step 4: Simplify right side
97,860.73x = 7,775,527,483.37 - Step 5: Solve for x
x = 7,775,527,483.37/97,860.73 - Step 6: Final answer
x = 79,455.03
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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.