Finding the Fourth Proportional to 97,354.21, 134,350.35 and 54,913.58
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Solution
The fourth proportional to 97,354.21, 134,350.35 and 54,913.58 is: 75,781.61
Step by Step Solution
- Step 1: Write the proportion equation
97,354.21 : 134,350.35 = 54,913.58 : x - Step 2: Convert to fraction form
97,354.21/134,350.35 = 54,913.58/x - Step 3: Cross multiply
97,354.21x = 134,350.35 × 54,913.58 - Step 4: Simplify right side
97,354.21x = 7,377,658,692.75 - Step 5: Solve for x
x = 7,377,658,692.75/97,354.21 - Step 6: Final answer
x = 75,781.61
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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.