Finding the Fourth Proportional to 68,536.74, 102,555.99 and 56,579.31
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Solution
The fourth proportional to 68,536.74, 102,555.99 and 56,579.31 is: 84,663.31
Step by Step Solution
- Step 1: Write the proportion equation
68,536.74 : 102,555.99 = 56,579.31 : x - Step 2: Convert to fraction form
68,536.74/102,555.99 = 56,579.31/x - Step 3: Cross multiply
68,536.74x = 102,555.99 × 56,579.31 - Step 4: Simplify right side
68,536.74x = 5,802,547,150.57 - Step 5: Solve for x
x = 5,802,547,150.57/68,536.74 - Step 6: Final answer
x = 84,663.31
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.