Finding the Fourth Proportional to 75,656.02, 104,381.75 and 42,944.99
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Solution
The fourth proportional to 75,656.02, 104,381.75 and 42,944.99 is: 59,250.72
Step by Step Solution
- Step 1: Write the proportion equation
75,656.02 : 104,381.75 = 42,944.99 : x - Step 2: Convert to fraction form
75,656.02/104,381.75 = 42,944.99/x - Step 3: Cross multiply
75,656.02x = 104,381.75 × 42,944.99 - Step 4: Simplify right side
75,656.02x = 4,482,673,395.54 - Step 5: Solve for x
x = 4,482,673,395.54/75,656.02 - Step 6: Final answer
x = 59,250.72
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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.