Finding the Fourth Proportional to 97,419.40, 134,392.62 and 63,415.48
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Solution
The fourth proportional to 97,419.40, 134,392.62 and 63,415.48 is: 87,483.32
Step by Step Solution
- Step 1: Write the proportion equation
97,419.40 : 134,392.62 = 63,415.48 : x - Step 2: Convert to fraction form
97,419.40/134,392.62 = 63,415.48/x - Step 3: Cross multiply
97,419.40x = 134,392.62 × 63,415.48 - Step 4: Simplify right side
97,419.40x = 8,522,572,505.76 - Step 5: Solve for x
x = 8,522,572,505.76/97,419.40 - Step 6: Final answer
x = 87,483.32
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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.