Finding the Fourth Proportional to 97,195.56, 145,805.70 and 38,023.65
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Solution
The fourth proportional to 97,195.56, 145,805.70 and 38,023.65 is: 57,040.31
Step by Step Solution
- Step 1: Write the proportion equation
97,195.56 : 145,805.70 = 38,023.65 : x - Step 2: Convert to fraction form
97,195.56/145,805.70 = 38,023.65/x - Step 3: Cross multiply
97,195.56x = 145,805.70 × 38,023.65 - Step 4: Simplify right side
97,195.56x = 5,544,064,904.81 - Step 5: Solve for x
x = 5,544,064,904.81/97,195.56 - Step 6: Final answer
x = 57,040.31
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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.