Finding the Fourth Proportional to 97,834.44, 135,122.40 and 65,948.52
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Solution
The fourth proportional to 97,834.44, 135,122.40 and 65,948.52 is: 91,083.70
Step by Step Solution
- Step 1: Write the proportion equation
97,834.44 : 135,122.40 = 65,948.52 : x - Step 2: Convert to fraction form
97,834.44/135,122.40 = 65,948.52/x - Step 3: Cross multiply
97,834.44x = 135,122.40 × 65,948.52 - Step 4: Simplify right side
97,834.44x = 8,911,122,298.85 - Step 5: Solve for x
x = 8,911,122,298.85/97,834.44 - Step 6: Final answer
x = 91,083.70
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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.