Finding the Fourth Proportional to 97,217.12, 134,177.03 and 56,928.53
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Solution
The fourth proportional to 97,217.12, 134,177.03 and 56,928.53 is: 78,571.56
Step by Step Solution
- Step 1: Write the proportion equation
97,217.12 : 134,177.03 = 56,928.53 : x - Step 2: Convert to fraction form
97,217.12/134,177.03 = 56,928.53/x - Step 3: Cross multiply
97,217.12x = 134,177.03 × 56,928.53 - Step 4: Simplify right side
97,217.12x = 7,638,500,122.14 - Step 5: Solve for x
x = 7,638,500,122.14/97,217.12 - Step 6: Final answer
x = 78,571.56
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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.