Finding the Fourth Proportional to 79,652.16, 119,361.60 and 48,412.08
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Solution
The fourth proportional to 79,652.16, 119,361.60 and 48,412.08 is: 72,547.23
Step by Step Solution
- Step 1: Write the proportion equation
79,652.16 : 119,361.60 = 48,412.08 : x - Step 2: Convert to fraction form
79,652.16/119,361.60 = 48,412.08/x - Step 3: Cross multiply
79,652.16x = 119,361.60 × 48,412.08 - Step 4: Simplify right side
79,652.16x = 5,778,543,328.13 - Step 5: Solve for x
x = 5,778,543,328.13/79,652.16 - Step 6: Final answer
x = 72,547.23
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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.