Finding the Fourth Proportional to 124,472.66, 171,742.74 and 70,753.46
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Solution
The fourth proportional to 124,472.66, 171,742.74 and 70,753.46 is: 97,622.99
Step by Step Solution
- Step 1: Write the proportion equation
124,472.66 : 171,742.74 = 70,753.46 : x - Step 2: Convert to fraction form
124,472.66/171,742.74 = 70,753.46/x - Step 3: Cross multiply
124,472.66x = 171,742.74 × 70,753.46 - Step 4: Simplify right side
124,472.66x = 12,151,392,226.17 - Step 5: Solve for x
x = 12,151,392,226.17/124,472.66 - Step 6: Final answer
x = 97,622.99
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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.