Finding the Fourth Proportional to 92,433.08, 138,638.91 and 25,878.53
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Solution
The fourth proportional to 92,433.08, 138,638.91 and 25,878.53 is: 38,814.80
Step by Step Solution
- Step 1: Write the proportion equation
92,433.08 : 138,638.91 = 25,878.53 : x - Step 2: Convert to fraction form
92,433.08/138,638.91 = 25,878.53/x - Step 3: Cross multiply
92,433.08x = 138,638.91 × 25,878.53 - Step 4: Simplify right side
92,433.08x = 3,587,771,191.60 - Step 5: Solve for x
x = 3,587,771,191.60/92,433.08 - Step 6: Final answer
x = 38,814.80
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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.