Finding the Fourth Proportional to 92,440.98, 138,748.14 and 48,099.15
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Solution
The fourth proportional to 92,440.98, 138,748.14 and 48,099.15 is: 72,193.82
Step by Step Solution
- Step 1: Write the proportion equation
92,440.98 : 138,748.14 = 48,099.15 : x - Step 2: Convert to fraction form
92,440.98/138,748.14 = 48,099.15/x - Step 3: Cross multiply
92,440.98x = 138,748.14 × 48,099.15 - Step 4: Simplify right side
92,440.98x = 6,673,667,598.08 - Step 5: Solve for x
x = 6,673,667,598.08/92,440.98 - Step 6: Final answer
x = 72,193.82
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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.