Finding the Fourth Proportional to 76,785.57, 105,927.87 and 44,934.75
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Solution
The fourth proportional to 76,785.57, 105,927.87 and 44,934.75 is: 61,988.76
Step by Step Solution
- Step 1: Write the proportion equation
76,785.57 : 105,927.87 = 44,934.75 : x - Step 2: Convert to fraction form
76,785.57/105,927.87 = 44,934.75/x - Step 3: Cross multiply
76,785.57x = 105,927.87 × 44,934.75 - Step 4: Simplify right side
76,785.57x = 4,759,842,356.48 - Step 5: Solve for x
x = 4,759,842,356.48/76,785.57 - Step 6: Final answer
x = 61,988.76
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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.