Finding the Fourth Proportional to 79,931.97, 110,307.02 and 44,122.01
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Solution
The fourth proportional to 79,931.97, 110,307.02 and 44,122.01 is: 60,888.86
Step by Step Solution
- Step 1: Write the proportion equation
79,931.97 : 110,307.02 = 44,122.01 : x - Step 2: Convert to fraction form
79,931.97/110,307.02 = 44,122.01/x - Step 3: Cross multiply
79,931.97x = 110,307.02 × 44,122.01 - Step 4: Simplify right side
79,931.97x = 4,866,966,667.37 - Step 5: Solve for x
x = 4,866,966,667.37/79,931.97 - Step 6: Final answer
x = 60,888.86
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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.