Finding the Fourth Proportional to 113,612.24, 156,785.99 and 62,626.95
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Solution
The fourth proportional to 113,612.24, 156,785.99 and 62,626.95 is: 86,425.80
Step by Step Solution
- Step 1: Write the proportion equation
113,612.24 : 156,785.99 = 62,626.95 : x - Step 2: Convert to fraction form
113,612.24/156,785.99 = 62,626.95/x - Step 3: Cross multiply
113,612.24x = 156,785.99 × 62,626.95 - Step 4: Simplify right side
113,612.24x = 9,819,028,043.30 - Step 5: Solve for x
x = 9,819,028,043.30/113,612.24 - Step 6: Final answer
x = 86,425.80
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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.