Finding the Fourth Proportional to 68,510.58, 102,695.84 and 38,865.80
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Solution
The fourth proportional to 68,510.58, 102,695.84 and 38,865.80 is: 58,258.97
Step by Step Solution
- Step 1: Write the proportion equation
68,510.58 : 102,695.84 = 38,865.80 : x - Step 2: Convert to fraction form
68,510.58/102,695.84 = 38,865.80/x - Step 3: Cross multiply
68,510.58x = 102,695.84 × 38,865.80 - Step 4: Simplify right side
68,510.58x = 3,991,355,978.27 - Step 5: Solve for x
x = 3,991,355,978.27/68,510.58 - Step 6: Final answer
x = 58,258.97
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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.