Finding the Fourth Proportional to 79,072.65, 118,590.35 and 29,125.62
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Solution
The fourth proportional to 79,072.65, 118,590.35 and 29,125.62 is: 43,681.57
Step by Step Solution
- Step 1: Write the proportion equation
79,072.65 : 118,590.35 = 29,125.62 : x - Step 2: Convert to fraction form
79,072.65/118,590.35 = 29,125.62/x - Step 3: Cross multiply
79,072.65x = 118,590.35 × 29,125.62 - Step 4: Simplify right side
79,072.65x = 3,454,017,324.14 - Step 5: Solve for x
x = 3,454,017,324.14/79,072.65 - Step 6: Final answer
x = 43,681.57
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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.