Finding the Fourth Proportional to 97,442.70, 134,468.28 and 54,421.02
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Solution
The fourth proportional to 97,442.70, 134,468.28 and 54,421.02 is: 75,099.53
Step by Step Solution
- Step 1: Write the proportion equation
97,442.70 : 134,468.28 = 54,421.02 : x - Step 2: Convert to fraction form
97,442.70/134,468.28 = 54,421.02/x - Step 3: Cross multiply
97,442.70x = 134,468.28 × 54,421.02 - Step 4: Simplify right side
97,442.70x = 7,317,900,955.25 - Step 5: Solve for x
x = 7,317,900,955.25/97,442.70 - Step 6: Final answer
x = 75,099.53
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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.