Finding the Fourth Proportional to 97,241.47, 134,158.34 and 56,940.53
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Solution
The fourth proportional to 97,241.47, 134,158.34 and 56,940.53 is: 78,557.50
Step by Step Solution
- Step 1: Write the proportion equation
97,241.47 : 134,158.34 = 56,940.53 : x - Step 2: Convert to fraction form
97,241.47/134,158.34 = 56,940.53/x - Step 3: Cross multiply
97,241.47x = 134,158.34 × 56,940.53 - Step 4: Simplify right side
97,241.47x = 7,639,046,455.08 - Step 5: Solve for x
x = 7,639,046,455.08/97,241.47 - Step 6: Final answer
x = 78,557.50
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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.