Finding the Fourth Proportional to 92,439.08, 138,647.91 and 25,884.53
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Solution
The fourth proportional to 92,439.08, 138,647.91 and 25,884.53 is: 38,823.80
Step by Step Solution
- Step 1: Write the proportion equation
92,439.08 : 138,647.91 = 25,884.53 : x - Step 2: Convert to fraction form
92,439.08/138,647.91 = 25,884.53/x - Step 3: Cross multiply
92,439.08x = 138,647.91 × 25,884.53 - Step 4: Simplify right side
92,439.08x = 3,588,835,985.83 - Step 5: Solve for x
x = 3,588,835,985.83/92,439.08 - Step 6: Final answer
x = 38,823.80
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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.