Finding the Fourth Proportional to 94,823.71, 130,857.18 and 51,803.80
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Solution
The fourth proportional to 94,823.71, 130,857.18 and 51,803.80 is: 71,489.50
Step by Step Solution
- Step 1: Write the proportion equation
94,823.71 : 130,857.18 = 51,803.80 : x - Step 2: Convert to fraction form
94,823.71/130,857.18 = 51,803.80/x - Step 3: Cross multiply
94,823.71x = 130,857.18 × 51,803.80 - Step 4: Simplify right side
94,823.71x = 6,778,899,181.28 - Step 5: Solve for x
x = 6,778,899,181.28/94,823.71 - Step 6: Final answer
x = 71,489.50
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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.