Finding the Fourth Proportional to 92,669.99, 137,812.82 and 89,717.54
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Solution
The fourth proportional to 92,669.99, 137,812.82 and 89,717.54 is: 133,422.12
Step by Step Solution
- Step 1: Write the proportion equation
92,669.99 : 137,812.82 = 89,717.54 : x - Step 2: Convert to fraction form
92,669.99/137,812.82 = 89,717.54/x - Step 3: Cross multiply
92,669.99x = 137,812.82 × 89,717.54 - Step 4: Simplify right side
92,669.99x = 12,364,226,053.21 - Step 5: Solve for x
x = 12,364,226,053.21/92,669.99 - Step 6: Final answer
x = 133,422.12
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.