Finding the Fourth Proportional to 75,169.53, 112,688.69 and 37,677.06
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Solution
The fourth proportional to 75,169.53, 112,688.69 and 37,677.06 is: 56,482.70
Step by Step Solution
- Step 1: Write the proportion equation
75,169.53 : 112,688.69 = 37,677.06 : x - Step 2: Convert to fraction form
75,169.53/112,688.69 = 37,677.06/x - Step 3: Cross multiply
75,169.53x = 112,688.69 × 37,677.06 - Step 4: Simplify right side
75,169.53x = 4,245,778,346.07 - Step 5: Solve for x
x = 4,245,778,346.07/75,169.53 - Step 6: Final answer
x = 56,482.70
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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.