Finding the Fourth Proportional to 89,591.36, 134,393.40 and 26,410.74
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Solution
The fourth proportional to 89,591.36, 134,393.40 and 26,410.74 is: 39,617.99
Step by Step Solution
- Step 1: Write the proportion equation
89,591.36 : 134,393.40 = 26,410.74 : x - Step 2: Convert to fraction form
89,591.36/134,393.40 = 26,410.74/x - Step 3: Cross multiply
89,591.36x = 134,393.40 × 26,410.74 - Step 4: Simplify right side
89,591.36x = 3,549,429,145.12 - Step 5: Solve for x
x = 3,549,429,145.12/89,591.36 - Step 6: Final answer
x = 39,617.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.