Finding the Fourth Proportional to 73,998.32, 110,985.11 and 26,603.75
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Solution
The fourth proportional to 73,998.32, 110,985.11 and 26,603.75 is: 39,901.19
Step by Step Solution
- Step 1: Write the proportion equation
73,998.32 : 110,985.11 = 26,603.75 : x - Step 2: Convert to fraction form
73,998.32/110,985.11 = 26,603.75/x - Step 3: Cross multiply
73,998.32x = 110,985.11 × 26,603.75 - Step 4: Simplify right side
73,998.32x = 2,952,620,464.13 - Step 5: Solve for x
x = 2,952,620,464.13/73,998.32 - Step 6: Final answer
x = 39,901.19
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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.