Finding the Fourth Proportional to 96,457.23, 133,170.08 and 76,395.15
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Solution
The fourth proportional to 96,457.23, 133,170.08 and 76,395.15 is: 105,472.11
Step by Step Solution
- Step 1: Write the proportion equation
96,457.23 : 133,170.08 = 76,395.15 : x - Step 2: Convert to fraction form
96,457.23/133,170.08 = 76,395.15/x - Step 3: Cross multiply
96,457.23x = 133,170.08 × 76,395.15 - Step 4: Simplify right side
96,457.23x = 10,173,547,855.14 - Step 5: Solve for x
x = 10,173,547,855.14/96,457.23 - Step 6: Final answer
x = 105,472.11
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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.