Finding the Fourth Proportional to 93,573.08, 129,139.62 and 51,137.92
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Solution
The fourth proportional to 93,573.08, 129,139.62 and 51,137.92 is: 70,575.12
Step by Step Solution
- Step 1: Write the proportion equation
93,573.08 : 129,139.62 = 51,137.92 : x - Step 2: Convert to fraction form
93,573.08/129,139.62 = 51,137.92/x - Step 3: Cross multiply
93,573.08x = 129,139.62 × 51,137.92 - Step 4: Simplify right side
93,573.08x = 6,603,931,556.39 - Step 5: Solve for x
x = 6,603,931,556.39/93,573.08 - Step 6: Final answer
x = 70,575.12
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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.