Finding the Fourth Proportional to 79,145.36, 118,746.16 and 26,554.80
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Solution
The fourth proportional to 79,145.36, 118,746.16 and 26,554.80 is: 39,841.63
Step by Step Solution
- Step 1: Write the proportion equation
79,145.36 : 118,746.16 = 26,554.80 : x - Step 2: Convert to fraction form
79,145.36/118,746.16 = 26,554.80/x - Step 3: Cross multiply
79,145.36x = 118,746.16 × 26,554.80 - Step 4: Simplify right side
79,145.36x = 3,153,280,529.57 - Step 5: Solve for x
x = 3,153,280,529.57/79,145.36 - Step 6: Final answer
x = 39,841.63
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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.