Finding the Fourth Proportional to 107,495.04, 161,312.79 and 40,935.81
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Solution
The fourth proportional to 107,495.04, 161,312.79 and 40,935.81 is: 61,430.46
Step by Step Solution
- Step 1: Write the proportion equation
107,495.04 : 161,312.79 = 40,935.81 : x - Step 2: Convert to fraction form
107,495.04/161,312.79 = 40,935.81/x - Step 3: Cross multiply
107,495.04x = 161,312.79 × 40,935.81 - Step 4: Simplify right side
107,495.04x = 6,603,469,722.01 - Step 5: Solve for x
x = 6,603,469,722.01/107,495.04 - Step 6: Final answer
x = 61,430.46
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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.