Finding the Fourth Proportional to 77,490.59, 116,124.99 and 44,141.75
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Solution
The fourth proportional to 77,490.59, 116,124.99 and 44,141.75 is: 66,149.45
Step by Step Solution
- Step 1: Write the proportion equation
77,490.59 : 116,124.99 = 44,141.75 : x - Step 2: Convert to fraction form
77,490.59/116,124.99 = 44,141.75/x - Step 3: Cross multiply
77,490.59x = 116,124.99 × 44,141.75 - Step 4: Simplify right side
77,490.59x = 5,125,959,696.71 - Step 5: Solve for x
x = 5,125,959,696.71/77,490.59 - Step 6: Final answer
x = 66,149.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.