Finding the Fourth Proportional to 98,924.50, 136,479.99 and 60,148.99
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Solution
The fourth proportional to 98,924.50, 136,479.99 and 60,148.99 is: 82,983.83
Step by Step Solution
- Step 1: Write the proportion equation
98,924.50 : 136,479.99 = 60,148.99 : x - Step 2: Convert to fraction form
98,924.50/136,479.99 = 60,148.99/x - Step 3: Cross multiply
98,924.50x = 136,479.99 × 60,148.99 - Step 4: Simplify right side
98,924.50x = 8,209,133,553.71 - Step 5: Solve for x
x = 8,209,133,553.71/98,924.50 - Step 6: Final answer
x = 82,983.83
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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.