Finding the Fourth Proportional to 79,482.36, 109,688.00 and 45,501.75
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Solution
The fourth proportional to 79,482.36, 109,688.00 and 45,501.75 is: 62,793.75
Step by Step Solution
- Step 1: Write the proportion equation
79,482.36 : 109,688.00 = 45,501.75 : x - Step 2: Convert to fraction form
79,482.36/109,688.00 = 45,501.75/x - Step 3: Cross multiply
79,482.36x = 109,688.00 × 45,501.75 - Step 4: Simplify right side
79,482.36x = 4,990,995,726.49 - Step 5: Solve for x
x = 4,990,995,726.49/79,482.36 - Step 6: Final answer
x = 62,793.75
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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.