Finding the Fourth Proportional to 97,355.68, 134,355.68 and 54,913.44
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Solution
The fourth proportional to 97,355.68, 134,355.68 and 54,913.44 is: 75,783.28
Step by Step Solution
- Step 1: Write the proportion equation
97,355.68 : 134,355.68 = 54,913.44 : x - Step 2: Convert to fraction form
97,355.68/134,355.68 = 54,913.44/x - Step 3: Cross multiply
97,355.68x = 134,355.68 × 54,913.44 - Step 4: Simplify right side
97,355.68x = 7,377,932,572.34 - Step 5: Solve for x
x = 7,377,932,572.34/97,355.68 - Step 6: Final answer
x = 75,783.28
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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.