Finding the Fourth Proportional to 71,023.02, 106,530.36 and 26,646.06
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Solution
The fourth proportional to 71,023.02, 106,530.36 and 26,646.06 is: 39,967.53
Step by Step Solution
- Step 1: Write the proportion equation
71,023.02 : 106,530.36 = 26,646.06 : x - Step 2: Convert to fraction form
71,023.02/106,530.36 = 26,646.06/x - Step 3: Cross multiply
71,023.02x = 106,530.36 × 26,646.06 - Step 4: Simplify right side
71,023.02x = 2,838,614,364.38 - Step 5: Solve for x
x = 2,838,614,364.38/71,023.02 - Step 6: Final answer
x = 39,967.53
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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.