Finding the Fourth Proportional to 73,749.08, 101,773.80 and 40,215.08
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Solution
The fourth proportional to 73,749.08, 101,773.80 and 40,215.08 is: 55,496.85
Step by Step Solution
- Step 1: Write the proportion equation
73,749.08 : 101,773.80 = 40,215.08 : x - Step 2: Convert to fraction form
73,749.08/101,773.80 = 40,215.08/x - Step 3: Cross multiply
73,749.08x = 101,773.80 × 40,215.08 - Step 4: Simplify right side
73,749.08x = 4,092,841,508.90 - Step 5: Solve for x
x = 4,092,841,508.90/73,749.08 - Step 6: Final answer
x = 55,496.85
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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.