Finding the Fourth Proportional to 97,342.50, 146,029.56 and 38,146.08
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Solution
The fourth proportional to 97,342.50, 146,029.56 and 38,146.08 is: 57,225.32
Step by Step Solution
- Step 1: Write the proportion equation
97,342.50 : 146,029.56 = 38,146.08 : x - Step 2: Convert to fraction form
97,342.50/146,029.56 = 38,146.08/x - Step 3: Cross multiply
97,342.50x = 146,029.56 × 38,146.08 - Step 4: Simplify right side
97,342.50x = 5,570,455,278.12 - Step 5: Solve for x
x = 5,570,455,278.12/97,342.50 - Step 6: Final answer
x = 57,225.32
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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.