Finding the Fourth Proportional to 68,799.76, 103,199.19 and 18,875.95
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Solution
The fourth proportional to 68,799.76, 103,199.19 and 18,875.95 is: 28,313.80
Step by Step Solution
- Step 1: Write the proportion equation
68,799.76 : 103,199.19 = 18,875.95 : x - Step 2: Convert to fraction form
68,799.76/103,199.19 = 18,875.95/x - Step 3: Cross multiply
68,799.76x = 103,199.19 × 18,875.95 - Step 4: Simplify right side
68,799.76x = 1,947,982,750.48 - Step 5: Solve for x
x = 1,947,982,750.48/68,799.76 - Step 6: Final answer
x = 28,313.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.