Finding the Fourth Proportional to 75,507.99, 104,047.36 and 58,408.35
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Solution
The fourth proportional to 75,507.99, 104,047.36 and 58,408.35 is: 80,484.66
Step by Step Solution
- Step 1: Write the proportion equation
75,507.99 : 104,047.36 = 58,408.35 : x - Step 2: Convert to fraction form
75,507.99/104,047.36 = 58,408.35/x - Step 3: Cross multiply
75,507.99x = 104,047.36 × 58,408.35 - Step 4: Simplify right side
75,507.99x = 6,077,234,619.46 - Step 5: Solve for x
x = 6,077,234,619.46/75,507.99 - Step 6: Final answer
x = 80,484.66
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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.