Finding the Fourth Proportional to 99,126.24, 136,785.12 and 58,833.12
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Solution
The fourth proportional to 99,126.24, 136,785.12 and 58,833.12 is: 81,184.31
Step by Step Solution
- Step 1: Write the proportion equation
99,126.24 : 136,785.12 = 58,833.12 : x - Step 2: Convert to fraction form
99,126.24/136,785.12 = 58,833.12/x - Step 3: Cross multiply
99,126.24x = 136,785.12 × 58,833.12 - Step 4: Simplify right side
99,126.24x = 8,047,495,379.17 - Step 5: Solve for x
x = 8,047,495,379.17/99,126.24 - Step 6: Final answer
x = 81,184.31
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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.