Finding the Fourth Proportional to 76,993.60, 115,482.84 and 52,192.96
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Solution
The fourth proportional to 76,993.60, 115,482.84 and 52,192.96 is: 78,284.32
Step by Step Solution
- Step 1: Write the proportion equation
76,993.60 : 115,482.84 = 52,192.96 : x - Step 2: Convert to fraction form
76,993.60/115,482.84 = 52,192.96/x - Step 3: Cross multiply
76,993.60x = 115,482.84 × 52,192.96 - Step 4: Simplify right side
76,993.60x = 6,027,391,248.81 - Step 5: Solve for x
x = 6,027,391,248.81/76,993.60 - Step 6: Final answer
x = 78,284.32
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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.