Finding the Fourth Proportional to 87,385.09, 131,055.93 and 37,459.53
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Solution
The fourth proportional to 87,385.09, 131,055.93 and 37,459.53 is: 56,179.99
Step by Step Solution
- Step 1: Write the proportion equation
87,385.09 : 131,055.93 = 37,459.53 : x - Step 2: Convert to fraction form
87,385.09/131,055.93 = 37,459.53/x - Step 3: Cross multiply
87,385.09x = 131,055.93 × 37,459.53 - Step 4: Simplify right side
87,385.09x = 4,909,293,541.51 - Step 5: Solve for x
x = 4,909,293,541.51/87,385.09 - Step 6: Final answer
x = 56,179.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.