Finding the Fourth Proportional to 92,631.02, 138,949.36 and 64,140.08
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Solution
The fourth proportional to 92,631.02, 138,949.36 and 64,140.08 is: 96,212.07
Step by Step Solution
- Step 1: Write the proportion equation
92,631.02 : 138,949.36 = 64,140.08 : x - Step 2: Convert to fraction form
92,631.02/138,949.36 = 64,140.08/x - Step 3: Cross multiply
92,631.02x = 138,949.36 × 64,140.08 - Step 4: Simplify right side
92,631.02x = 8,912,222,050.90 - Step 5: Solve for x
x = 8,912,222,050.90/92,631.02 - Step 6: Final answer
x = 96,212.07
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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.