Finding the Fourth Proportional to 101,595.97, 140,202.29 and 56,273.94
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Solution
The fourth proportional to 101,595.97, 140,202.29 and 56,273.94 is: 77,657.96
Step by Step Solution
- Step 1: Write the proportion equation
101,595.97 : 140,202.29 = 56,273.94 : x - Step 2: Convert to fraction form
101,595.97/140,202.29 = 56,273.94/x - Step 3: Cross multiply
101,595.97x = 140,202.29 × 56,273.94 - Step 4: Simplify right side
101,595.97x = 7,889,735,396.01 - Step 5: Solve for x
x = 7,889,735,396.01/101,595.97 - Step 6: Final answer
x = 77,657.96
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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.