Finding the Fourth Proportional to 85,023.37, 117,342.36 and 48,737.80
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Solution
The fourth proportional to 85,023.37, 117,342.36 and 48,737.80 is: 67,263.95
Step by Step Solution
- Step 1: Write the proportion equation
85,023.37 : 117,342.36 = 48,737.80 : x - Step 2: Convert to fraction form
85,023.37/117,342.36 = 48,737.80/x - Step 3: Cross multiply
85,023.37x = 117,342.36 × 48,737.80 - Step 4: Simplify right side
85,023.37x = 5,719,007,642.81 - Step 5: Solve for x
x = 5,719,007,642.81/85,023.37 - Step 6: Final answer
x = 67,263.95
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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.