Finding the Fourth Proportional to 97,936.88, 135,150.08 and 55,509.12
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Solution
The fourth proportional to 97,936.88, 135,150.08 and 55,509.12 is: 76,600.99
Step by Step Solution
- Step 1: Write the proportion equation
97,936.88 : 135,150.08 = 55,509.12 : x - Step 2: Convert to fraction form
97,936.88/135,150.08 = 55,509.12/x - Step 3: Cross multiply
97,936.88x = 135,150.08 × 55,509.12 - Step 4: Simplify right side
97,936.88x = 7,502,062,008.73 - Step 5: Solve for x
x = 7,502,062,008.73/97,936.88 - Step 6: Final answer
x = 76,600.99
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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.