Finding the Fourth Proportional to 75,862.18, 113,758.04 and 44,281.36
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Solution
The fourth proportional to 75,862.18, 113,758.04 and 44,281.36 is: 66,401.48
Step by Step Solution
- Step 1: Write the proportion equation
75,862.18 : 113,758.04 = 44,281.36 : x - Step 2: Convert to fraction form
75,862.18/113,758.04 = 44,281.36/x - Step 3: Cross multiply
75,862.18x = 113,758.04 × 44,281.36 - Step 4: Simplify right side
75,862.18x = 5,037,360,722.13 - Step 5: Solve for x
x = 5,037,360,722.13/75,862.18 - Step 6: Final answer
x = 66,401.48
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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.