Finding the Fourth Proportional to 89,385.66, 123,322.02 and 51,117.99
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Solution
The fourth proportional to 89,385.66, 123,322.02 and 51,117.99 is: 70,525.56
Step by Step Solution
- Step 1: Write the proportion equation
89,385.66 : 123,322.02 = 51,117.99 : x - Step 2: Convert to fraction form
89,385.66/123,322.02 = 51,117.99/x - Step 3: Cross multiply
89,385.66x = 123,322.02 × 51,117.99 - Step 4: Simplify right side
89,385.66x = 6,303,973,785.14 - Step 5: Solve for x
x = 6,303,973,785.14/89,385.66 - Step 6: Final answer
x = 70,525.56
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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.