Finding the Fourth Proportional to 107,063.24, 147,745.35 and 59,315.63
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Solution
The fourth proportional to 107,063.24, 147,745.35 and 59,315.63 is: 81,854.50
Step by Step Solution
- Step 1: Write the proportion equation
107,063.24 : 147,745.35 = 59,315.63 : x - Step 2: Convert to fraction form
107,063.24/147,745.35 = 59,315.63/x - Step 3: Cross multiply
107,063.24x = 147,745.35 × 59,315.63 - Step 4: Simplify right side
107,063.24x = 8,763,607,776.09 - Step 5: Solve for x
x = 8,763,607,776.09/107,063.24 - Step 6: Final answer
x = 81,854.50
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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.