Finding the Fourth Proportional to 79,246.08, 118,160.64 and 77,068.80
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Solution
The fourth proportional to 79,246.08, 118,160.64 and 77,068.80 is: 114,914.19
Step by Step Solution
- Step 1: Write the proportion equation
79,246.08 : 118,160.64 = 77,068.80 : x - Step 2: Convert to fraction form
79,246.08/118,160.64 = 77,068.80/x - Step 3: Cross multiply
79,246.08x = 118,160.64 × 77,068.80 - Step 4: Simplify right side
79,246.08x = 9,106,498,732.03 - Step 5: Solve for x
x = 9,106,498,732.03/79,246.08 - Step 6: Final answer
x = 114,914.19
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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.