Finding the Fourth Proportional to 79,838.47, 110,175.56 and 44,031.79
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Solution
The fourth proportional to 79,838.47, 110,175.56 and 44,031.79 is: 60,763.02
Step by Step Solution
- Step 1: Write the proportion equation
79,838.47 : 110,175.56 = 44,031.79 : x - Step 2: Convert to fraction form
79,838.47/110,175.56 = 44,031.79/x - Step 3: Cross multiply
79,838.47x = 110,175.56 × 44,031.79 - Step 4: Simplify right side
79,838.47x = 4,851,226,900.89 - Step 5: Solve for x
x = 4,851,226,900.89/79,838.47 - Step 6: Final answer
x = 60,763.02
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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.