Finding the Fourth Proportional to 97,176.96, 134,137.74 and 56,903.64
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Solution
The fourth proportional to 97,176.96, 134,137.74 and 56,903.64 is: 78,546.66
Step by Step Solution
- Step 1: Write the proportion equation
97,176.96 : 134,137.74 = 56,903.64 : x - Step 2: Convert to fraction form
97,176.96/134,137.74 = 56,903.64/x - Step 3: Cross multiply
97,176.96x = 134,137.74 × 56,903.64 - Step 4: Simplify right side
97,176.96x = 7,632,925,667.37 - Step 5: Solve for x
x = 7,632,925,667.37/97,176.96 - Step 6: Final answer
x = 78,546.66
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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.