Finding the Fourth Proportional to 96,457.80, 133,108.68 and 53,435.52
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Solution
The fourth proportional to 96,457.80, 133,108.68 and 53,435.52 is: 73,739.31
Step by Step Solution
- Step 1: Write the proportion equation
96,457.80 : 133,108.68 = 53,435.52 : x - Step 2: Convert to fraction form
96,457.80/133,108.68 = 53,435.52/x - Step 3: Cross multiply
96,457.80x = 133,108.68 × 53,435.52 - Step 4: Simplify right side
96,457.80x = 7,112,731,532.31 - Step 5: Solve for x
x = 7,112,731,532.31/96,457.80 - Step 6: Final answer
x = 73,739.31
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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.