Finding the Fourth Proportional to 79,886.57, 110,253.23 and 45,894.99
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Solution
The fourth proportional to 79,886.57, 110,253.23 and 45,894.99 is: 63,340.70
Step by Step Solution
- Step 1: Write the proportion equation
79,886.57 : 110,253.23 = 45,894.99 : x - Step 2: Convert to fraction form
79,886.57/110,253.23 = 45,894.99/x - Step 3: Cross multiply
79,886.57x = 110,253.23 × 45,894.99 - Step 4: Simplify right side
79,886.57x = 5,060,070,658.84 - Step 5: Solve for x
x = 5,060,070,658.84/79,886.57 - Step 6: Final answer
x = 63,340.70
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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.