Finding the Fourth Proportional to 113,523.17, 156,674.21 and 62,541.09
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Solution
The fourth proportional to 113,523.17, 156,674.21 and 62,541.09 is: 86,313.45
Step by Step Solution
- Step 1: Write the proportion equation
113,523.17 : 156,674.21 = 62,541.09 : x - Step 2: Convert to fraction form
113,523.17/156,674.21 = 62,541.09/x - Step 3: Cross multiply
113,523.17x = 156,674.21 × 62,541.09 - Step 4: Simplify right side
113,523.17x = 9,798,575,555.58 - Step 5: Solve for x
x = 9,798,575,555.58/113,523.17 - Step 6: Final answer
x = 86,313.45
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1.5x scale
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.