Finding the Fourth Proportional to 79,567.76, 119,280.36 and 32,790.80
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Solution
The fourth proportional to 79,567.76, 119,280.36 and 32,790.80 is: 49,156.82
Step by Step Solution
- Step 1: Write the proportion equation
79,567.76 : 119,280.36 = 32,790.80 : x - Step 2: Convert to fraction form
79,567.76/119,280.36 = 32,790.80/x - Step 3: Cross multiply
79,567.76x = 119,280.36 × 32,790.80 - Step 4: Simplify right side
79,567.76x = 3,911,298,428.69 - Step 5: Solve for x
x = 3,911,298,428.69/79,567.76 - Step 6: Final answer
x = 49,156.82
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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.