Finding the Fourth Proportional to 73,138.14, 100,937.80 and 44,455.29
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Solution
The fourth proportional to 73,138.14, 100,937.80 and 44,455.29 is: 61,352.66
Step by Step Solution
- Step 1: Write the proportion equation
73,138.14 : 100,937.80 = 44,455.29 : x - Step 2: Convert to fraction form
73,138.14/100,937.80 = 44,455.29/x - Step 3: Cross multiply
73,138.14x = 100,937.80 × 44,455.29 - Step 4: Simplify right side
73,138.14x = 4,487,219,307.67 - Step 5: Solve for x
x = 4,487,219,307.67/73,138.14 - Step 6: Final answer
x = 61,352.66
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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.