Finding the Fourth Proportional to 97,419.41, 134,415.55 and 67,195.07
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Solution
The fourth proportional to 97,419.41, 134,415.55 and 67,195.07 is: 92,713.17
Step by Step Solution
- Step 1: Write the proportion equation
97,419.41 : 134,415.55 = 67,195.07 : x - Step 2: Convert to fraction form
97,419.41/134,415.55 = 67,195.07/x - Step 3: Cross multiply
97,419.41x = 134,415.55 × 67,195.07 - Step 4: Simplify right side
97,419.41x = 9,032,062,207.31 - Step 5: Solve for x
x = 9,032,062,207.31/97,419.41 - Step 6: Final answer
x = 92,713.17
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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.