Finding the Fourth Proportional to 101,710.08, 140,415.75 and 69,493.14
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Solution
The fourth proportional to 101,710.08, 140,415.75 and 69,493.14 is: 95,938.69
Step by Step Solution
- Step 1: Write the proportion equation
101,710.08 : 140,415.75 = 69,493.14 : x - Step 2: Convert to fraction form
101,710.08/140,415.75 = 69,493.14/x - Step 3: Cross multiply
101,710.08x = 140,415.75 × 69,493.14 - Step 4: Simplify right side
101,710.08x = 9,757,931,372.96 - Step 5: Solve for x
x = 9,757,931,372.96/101,710.08 - Step 6: Final answer
x = 95,938.69
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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.