Finding the Fourth Proportional to 84,088.08, 126,132.12 and 20,908.08
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Solution
The fourth proportional to 84,088.08, 126,132.12 and 20,908.08 is: 31,362.12
Step by Step Solution
- Step 1: Write the proportion equation
84,088.08 : 126,132.12 = 20,908.08 : x - Step 2: Convert to fraction form
84,088.08/126,132.12 = 20,908.08/x - Step 3: Cross multiply
84,088.08x = 126,132.12 × 20,908.08 - Step 4: Simplify right side
84,088.08x = 2,637,180,455.53 - Step 5: Solve for x
x = 2,637,180,455.53/84,088.08 - Step 6: Final answer
x = 31,362.12
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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.