Finding the Fourth Proportional to 70,992.06, 106,305.96 and 68,889.84
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Solution
The fourth proportional to 70,992.06, 106,305.96 and 68,889.84 is: 103,158.02
Step by Step Solution
- Step 1: Write the proportion equation
70,992.06 : 106,305.96 = 68,889.84 : x - Step 2: Convert to fraction form
70,992.06/106,305.96 = 68,889.84/x - Step 3: Cross multiply
70,992.06x = 106,305.96 × 68,889.84 - Step 4: Simplify right side
70,992.06x = 7,323,400,575.45 - Step 5: Solve for x
x = 7,323,400,575.45/70,992.06 - Step 6: Final answer
x = 103,158.02
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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.