Finding the Fourth Proportional to 96,918.24, 133,727.56 and 56,624.21
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Solution
The fourth proportional to 96,918.24, 133,727.56 and 56,624.21 is: 78,129.96
Step by Step Solution
- Step 1: Write the proportion equation
96,918.24 : 133,727.56 = 56,624.21 : x - Step 2: Convert to fraction form
96,918.24/133,727.56 = 56,624.21/x - Step 3: Cross multiply
96,918.24x = 133,727.56 × 56,624.21 - Step 4: Simplify right side
96,918.24x = 7,572,217,883.73 - Step 5: Solve for x
x = 7,572,217,883.73/96,918.24 - Step 6: Final answer
x = 78,129.96
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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.