Finding the Fourth Proportional to 67,810.09, 101,703.52 and 17,890.70
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Solution
The fourth proportional to 67,810.09, 101,703.52 and 17,890.70 is: 26,832.99
Step by Step Solution
- Step 1: Write the proportion equation
67,810.09 : 101,703.52 = 17,890.70 : x - Step 2: Convert to fraction form
67,810.09/101,703.52 = 17,890.70/x - Step 3: Cross multiply
67,810.09x = 101,703.52 × 17,890.70 - Step 4: Simplify right side
67,810.09x = 1,819,547,165.26 - Step 5: Solve for x
x = 1,819,547,165.26/67,810.09 - Step 6: Final answer
x = 26,832.99
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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.