Finding the Fourth Proportional to 76,724.62, 115,088.16 and 23,417.74
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Solution
The fourth proportional to 76,724.62, 115,088.16 and 23,417.74 is: 35,126.99
Step by Step Solution
- Step 1: Write the proportion equation
76,724.62 : 115,088.16 = 23,417.74 : x - Step 2: Convert to fraction form
76,724.62/115,088.16 = 23,417.74/x - Step 3: Cross multiply
76,724.62x = 115,088.16 × 23,417.74 - Step 4: Simplify right side
76,724.62x = 2,695,104,607.96 - Step 5: Solve for x
x = 2,695,104,607.96/76,724.62 - Step 6: Final answer
x = 35,126.99
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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.