Finding the Fourth Proportional to 107,803.68, 161,749.44 and 48,598.08
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Solution
The fourth proportional to 107,803.68, 161,749.44 and 48,598.08 is: 72,916.92
Step by Step Solution
- Step 1: Write the proportion equation
107,803.68 : 161,749.44 = 48,598.08 : x - Step 2: Convert to fraction form
107,803.68/161,749.44 = 48,598.08/x - Step 3: Cross multiply
107,803.68x = 161,749.44 × 48,598.08 - Step 4: Simplify right side
107,803.68x = 7,860,712,225.08 - Step 5: Solve for x
x = 7,860,712,225.08/107,803.68 - Step 6: Final answer
x = 72,916.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.