Finding the Fourth Proportional to 88,791.12, 122,560.95 and 70,675.07
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Solution
The fourth proportional to 88,791.12, 122,560.95 and 70,675.07 is: 97,554.85
Step by Step Solution
- Step 1: Write the proportion equation
88,791.12 : 122,560.95 = 70,675.07 : x - Step 2: Convert to fraction form
88,791.12/122,560.95 = 70,675.07/x - Step 3: Cross multiply
88,791.12x = 122,560.95 × 70,675.07 - Step 4: Simplify right side
88,791.12x = 8,662,004,080.03 - Step 5: Solve for x
x = 8,662,004,080.03/88,791.12 - Step 6: Final answer
x = 97,554.85
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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.