Finding the Fourth Proportional to 74,263.24, 102,523.08 and 57,354.99
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Solution
The fourth proportional to 74,263.24, 102,523.08 and 57,354.99 is: 79,180.63
Step by Step Solution
- Step 1: Write the proportion equation
74,263.24 : 102,523.08 = 57,354.99 : x - Step 2: Convert to fraction form
74,263.24/102,523.08 = 57,354.99/x - Step 3: Cross multiply
74,263.24x = 102,523.08 × 57,354.99 - Step 4: Simplify right side
74,263.24x = 5,880,210,228.17 - Step 5: Solve for x
x = 5,880,210,228.17/74,263.24 - Step 6: Final answer
x = 79,180.63
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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.