Finding the Fourth Proportional to 97,041.24, 133,909.20 and 54,606.96
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Solution
The fourth proportional to 97,041.24, 133,909.20 and 54,606.96 is: 75,353.27
Step by Step Solution
- Step 1: Write the proportion equation
97,041.24 : 133,909.20 = 54,606.96 : x - Step 2: Convert to fraction form
97,041.24/133,909.20 = 54,606.96/x - Step 3: Cross multiply
97,041.24x = 133,909.20 × 54,606.96 - Step 4: Simplify right side
97,041.24x = 7,312,374,328.03 - Step 5: Solve for x
x = 7,312,374,328.03/97,041.24 - Step 6: Final answer
x = 75,353.27
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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.