Finding the Fourth Proportional to 87,988.08, 121,422.06 and 49,746.99
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Solution
The fourth proportional to 87,988.08, 121,422.06 and 49,746.99 is: 68,650.00
Step by Step Solution
- Step 1: Write the proportion equation
87,988.08 : 121,422.06 = 49,746.99 : x - Step 2: Convert to fraction form
87,988.08/121,422.06 = 49,746.99/x - Step 3: Cross multiply
87,988.08x = 121,422.06 × 49,746.99 - Step 4: Simplify right side
87,988.08x = 6,040,382,004.60 - Step 5: Solve for x
x = 6,040,382,004.60/87,988.08 - Step 6: Final answer
x = 68,650.00
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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.