Finding the Fourth Proportional to 83,177.04, 114,787.62 and 47,368.56
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Solution
The fourth proportional to 83,177.04, 114,787.62 and 47,368.56 is: 65,370.49
Step by Step Solution
- Step 1: Write the proportion equation
83,177.04 : 114,787.62 = 47,368.56 : x - Step 2: Convert to fraction form
83,177.04/114,787.62 = 47,368.56/x - Step 3: Cross multiply
83,177.04x = 114,787.62 × 47,368.56 - Step 4: Simplify right side
83,177.04x = 5,437,324,265.23 - Step 5: Solve for x
x = 5,437,324,265.23/83,177.04 - Step 6: Final answer
x = 65,370.49
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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.