Finding the Fourth Proportional to 97,899.21, 135,106.25 and 55,466.01
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Solution
The fourth proportional to 97,899.21, 135,106.25 and 55,466.01 is: 76,546.12
Step by Step Solution
- Step 1: Write the proportion equation
97,899.21 : 135,106.25 = 55,466.01 : x - Step 2: Convert to fraction form
97,899.21/135,106.25 = 55,466.01/x - Step 3: Cross multiply
97,899.21x = 135,106.25 × 55,466.01 - Step 4: Simplify right side
97,899.21x = 7,493,804,336.23 - Step 5: Solve for x
x = 7,493,804,336.23/97,899.21 - Step 6: Final answer
x = 76,546.12
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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.