Finding the Fourth Proportional to 106,423.01, 159,526.71 and 69,006.81
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Solution
The fourth proportional to 106,423.01, 159,526.71 and 69,006.81 is: 103,440.32
Step by Step Solution
- Step 1: Write the proportion equation
106,423.01 : 159,526.71 = 69,006.81 : x - Step 2: Convert to fraction form
106,423.01/159,526.71 = 69,006.81/x - Step 3: Cross multiply
106,423.01x = 159,526.71 × 69,006.81 - Step 4: Simplify right side
106,423.01x = 11,008,429,366.90 - Step 5: Solve for x
x = 11,008,429,366.90/106,423.01 - Step 6: Final answer
x = 103,440.32
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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.