Finding the Fourth Proportional to 79,009.20, 118,438.20 and 39,526.56
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Solution
The fourth proportional to 79,009.20, 118,438.20 and 39,526.56 is: 59,252.02
Step by Step Solution
- Step 1: Write the proportion equation
79,009.20 : 118,438.20 = 39,526.56 : x - Step 2: Convert to fraction form
79,009.20/118,438.20 = 39,526.56/x - Step 3: Cross multiply
79,009.20x = 118,438.20 × 39,526.56 - Step 4: Simplify right side
79,009.20x = 4,681,454,618.59 - Step 5: Solve for x
x = 4,681,454,618.59/79,009.20 - Step 6: Final answer
x = 59,252.02
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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.