Finding the Fourth Proportional to 97,858.37, 135,047.73 and 55,415.99
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Solution
The fourth proportional to 97,858.37, 135,047.73 and 55,415.99 is: 76,475.87
Step by Step Solution
- Step 1: Write the proportion equation
97,858.37 : 135,047.73 = 55,415.99 : x - Step 2: Convert to fraction form
97,858.37/135,047.73 = 55,415.99/x - Step 3: Cross multiply
97,858.37x = 135,047.73 × 55,415.99 - Step 4: Simplify right side
97,858.37x = 7,483,803,655.20 - Step 5: Solve for x
x = 7,483,803,655.20/97,858.37 - Step 6: Final answer
x = 76,475.87
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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.