Finding the Fourth Proportional to 67,554.81, 101,295.68 and 47,871.81
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Solution
The fourth proportional to 67,554.81, 101,295.68 and 47,871.81 is: 71,781.82
Step by Step Solution
- Step 1: Write the proportion equation
67,554.81 : 101,295.68 = 47,871.81 : x - Step 2: Convert to fraction form
67,554.81/101,295.68 = 47,871.81/x - Step 3: Cross multiply
67,554.81x = 101,295.68 × 47,871.81 - Step 4: Simplify right side
67,554.81x = 4,849,207,307.42 - Step 5: Solve for x
x = 4,849,207,307.42/67,554.81 - Step 6: Final answer
x = 71,781.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.