Finding the Fourth Proportional to 93,812.76, 129,460.30 and 51,371.28
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Solution
The fourth proportional to 93,812.76, 129,460.30 and 51,371.28 is: 70,891.65
Step by Step Solution
- Step 1: Write the proportion equation
93,812.76 : 129,460.30 = 51,371.28 : x - Step 2: Convert to fraction form
93,812.76/129,460.30 = 51,371.28/x - Step 3: Cross multiply
93,812.76x = 129,460.30 × 51,371.28 - Step 4: Simplify right side
93,812.76x = 6,650,541,320.18 - Step 5: Solve for x
x = 6,650,541,320.18/93,812.76 - Step 6: Final answer
x = 70,891.65
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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.