Finding the Fourth Proportional to 75,134.66, 103,678.65 and 44,913.98
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Solution
The fourth proportional to 75,134.66, 103,678.65 and 44,913.98 is: 61,977.00
Step by Step Solution
- Step 1: Write the proportion equation
75,134.66 : 103,678.65 = 44,913.98 : x - Step 2: Convert to fraction form
75,134.66/103,678.65 = 44,913.98/x - Step 3: Cross multiply
75,134.66x = 103,678.65 × 44,913.98 - Step 4: Simplify right side
75,134.66x = 4,656,620,812.53 - Step 5: Solve for x
x = 4,656,620,812.53/75,134.66 - Step 6: Final answer
x = 61,977.00
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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.