Finding the Fourth Proportional to 94,807.20, 130,828.68 and 58,996.08
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Solution
The fourth proportional to 94,807.20, 130,828.68 and 58,996.08 is: 81,411.32
Step by Step Solution
- Step 1: Write the proportion equation
94,807.20 : 130,828.68 = 58,996.08 : x - Step 2: Convert to fraction form
94,807.20/130,828.68 = 58,996.08/x - Step 3: Cross multiply
94,807.20x = 130,828.68 × 58,996.08 - Step 4: Simplify right side
94,807.20x = 7,718,379,271.57 - Step 5: Solve for x
x = 7,718,379,271.57/94,807.20 - Step 6: Final answer
x = 81,411.32
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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.