Finding the Fourth Proportional to 73,390.16, 101,309.40 and 49,549.12
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Solution
The fourth proportional to 73,390.16, 101,309.40 and 49,549.12 is: 68,398.70
Step by Step Solution
- Step 1: Write the proportion equation
73,390.16 : 101,309.40 = 49,549.12 : x - Step 2: Convert to fraction form
73,390.16/101,309.40 = 49,549.12/x - Step 3: Cross multiply
73,390.16x = 101,309.40 × 49,549.12 - Step 4: Simplify right side
73,390.16x = 5,019,791,617.73 - Step 5: Solve for x
x = 5,019,791,617.73/73,390.16 - Step 6: Final answer
x = 68,398.70
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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.