Finding the Fourth Proportional to 98,469.99, 135,888.98 and 56,027.61
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Solution
The fourth proportional to 98,469.99, 135,888.98 and 56,027.61 is: 77,318.32
Step by Step Solution
- Step 1: Write the proportion equation
98,469.99 : 135,888.98 = 56,027.61 : x - Step 2: Convert to fraction form
98,469.99/135,888.98 = 56,027.61/x - Step 3: Cross multiply
98,469.99x = 135,888.98 × 56,027.61 - Step 4: Simplify right side
98,469.99x = 7,613,534,494.60 - Step 5: Solve for x
x = 7,613,534,494.60/98,469.99 - Step 6: Final answer
x = 77,318.32
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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.