Finding the Fourth Proportional to 84,271.71, 126,358.66 and 39,898.09
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Solution
The fourth proportional to 84,271.71, 126,358.66 and 39,898.09 is: 59,823.98
Step by Step Solution
- Step 1: Write the proportion equation
84,271.71 : 126,358.66 = 39,898.09 : x - Step 2: Convert to fraction form
84,271.71/126,358.66 = 39,898.09/x - Step 3: Cross multiply
84,271.71x = 126,358.66 × 39,898.09 - Step 4: Simplify right side
84,271.71x = 5,041,468,773.32 - Step 5: Solve for x
x = 5,041,468,773.32/84,271.71 - Step 6: Final answer
x = 59,823.98
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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.