Finding the Fourth Proportional to 92,325.47, 138,438.99 and 47,907.50
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Solution
The fourth proportional to 92,325.47, 138,438.99 and 47,907.50 is: 71,835.71
Step by Step Solution
- Step 1: Write the proportion equation
92,325.47 : 138,438.99 = 47,907.50 : x - Step 2: Convert to fraction form
92,325.47/138,438.99 = 47,907.50/x - Step 3: Cross multiply
92,325.47x = 138,438.99 × 47,907.50 - Step 4: Simplify right side
92,325.47x = 6,632,265,221.23 - Step 5: Solve for x
x = 6,632,265,221.23/92,325.47 - Step 6: Final answer
x = 71,835.71
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1.5x scale
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.