Finding the Fourth Proportional to 69,246.08, 103,869.36 and 19,998.08
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Solution
The fourth proportional to 69,246.08, 103,869.36 and 19,998.08 is: 29,997.19
Step by Step Solution
- Step 1: Write the proportion equation
69,246.08 : 103,869.36 = 19,998.08 : x - Step 2: Convert to fraction form
69,246.08/103,869.36 = 19,998.08/x - Step 3: Cross multiply
69,246.08x = 103,869.36 × 19,998.08 - Step 4: Simplify right side
69,246.08x = 2,077,187,770.83 - Step 5: Solve for x
x = 2,077,187,770.83/69,246.08 - Step 6: Final answer
x = 29,997.19
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1.5x scale
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.