Finding the Fourth Proportional to 97,248.15, 145,813.91 and 38,013.26
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Solution
The fourth proportional to 97,248.15, 145,813.91 and 38,013.26 is: 56,997.09
Step by Step Solution
- Step 1: Write the proportion equation
97,248.15 : 145,813.91 = 38,013.26 : x - Step 2: Convert to fraction form
97,248.15/145,813.91 = 38,013.26/x - Step 3: Cross multiply
97,248.15x = 145,813.91 × 38,013.26 - Step 4: Simplify right side
97,248.15x = 5,542,861,153.31 - Step 5: Solve for x
x = 5,542,861,153.31/97,248.15 - Step 6: Final answer
x = 56,997.09
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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.