Finding the Fourth Proportional to 91,098.10, 136,366.88 and 59,439.99
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Solution
The fourth proportional to 91,098.10, 136,366.88 and 59,439.99 is: 88,977.11
Step by Step Solution
- Step 1: Write the proportion equation
91,098.10 : 136,366.88 = 59,439.99 : x - Step 2: Convert to fraction form
91,098.10/136,366.88 = 59,439.99/x - Step 3: Cross multiply
91,098.10x = 136,366.88 × 59,439.99 - Step 4: Simplify right side
91,098.10x = 8,105,646,197.71 - Step 5: Solve for x
x = 8,105,646,197.71/91,098.10 - Step 6: Final answer
x = 88,977.11
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.