Finding the Fourth Proportional to 87,197.04, 120,368.43 and 73,837.44
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Solution
The fourth proportional to 87,197.04, 120,368.43 and 73,837.44 is: 101,926.59
Step by Step Solution
- Step 1: Write the proportion equation
87,197.04 : 120,368.43 = 73,837.44 : x - Step 2: Convert to fraction form
87,197.04/120,368.43 = 73,837.44/x - Step 3: Cross multiply
87,197.04x = 120,368.43 × 73,837.44 - Step 4: Simplify right side
87,197.04x = 8,887,696,728.02 - Step 5: Solve for x
x = 8,887,696,728.02/87,197.04 - Step 6: Final answer
x = 101,926.59
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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.