Finding the Fourth Proportional to 75,441.36, 104,108.65 and 40,985.80
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Solution
The fourth proportional to 75,441.36, 104,108.65 and 40,985.80 is: 56,560.17
Step by Step Solution
- Step 1: Write the proportion equation
75,441.36 : 104,108.65 = 40,985.80 : x - Step 2: Convert to fraction form
75,441.36/104,108.65 = 40,985.80/x - Step 3: Cross multiply
75,441.36x = 104,108.65 × 40,985.80 - Step 4: Simplify right side
75,441.36x = 4,266,976,307.17 - Step 5: Solve for x
x = 4,266,976,307.17/75,441.36 - Step 6: Final answer
x = 56,560.17
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.