Finding the Fourth Proportional to 96,460.13, 133,115.90 and 53,440.53
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Solution
The fourth proportional to 96,460.13, 133,115.90 and 53,440.53 is: 73,748.45
Step by Step Solution
- Step 1: Write the proportion equation
96,460.13 : 133,115.90 = 53,440.53 : x - Step 2: Convert to fraction form
96,460.13/133,115.90 = 53,440.53/x - Step 3: Cross multiply
96,460.13x = 133,115.90 × 53,440.53 - Step 4: Simplify right side
96,460.13x = 7,113,784,381.03 - Step 5: Solve for x
x = 7,113,784,381.03/96,460.13 - Step 6: Final answer
x = 73,748.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.