Finding the Fourth Proportional to 99,285.11, 137,014.84 and 53,963.08
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Solution
The fourth proportional to 99,285.11, 137,014.84 and 53,963.08 is: 74,469.80
Step by Step Solution
- Step 1: Write the proportion equation
99,285.11 : 137,014.84 = 53,963.08 : x - Step 2: Convert to fraction form
99,285.11/137,014.84 = 53,963.08/x - Step 3: Cross multiply
99,285.11x = 137,014.84 × 53,963.08 - Step 4: Simplify right side
99,285.11x = 7,393,742,772.11 - Step 5: Solve for x
x = 7,393,742,772.11/99,285.11 - Step 6: Final answer
x = 74,469.80
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1.5x scale
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.