Finding the Fourth Proportional to 79,953.90, 110,324.58 and 45,963.84
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Solution
The fourth proportional to 79,953.90, 110,324.58 and 45,963.84 is: 63,423.31
Step by Step Solution
- Step 1: Write the proportion equation
79,953.90 : 110,324.58 = 45,963.84 : x - Step 2: Convert to fraction form
79,953.90/110,324.58 = 45,963.84/x - Step 3: Cross multiply
79,953.90x = 110,324.58 × 45,963.84 - Step 4: Simplify right side
79,953.90x = 5,070,941,343.19 - Step 5: Solve for x
x = 5,070,941,343.19/79,953.90 - Step 6: Final answer
x = 63,423.31
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1.5x scale
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.