Finding the Fourth Proportional to 103,677.05, 155,417.06 and 40,537.65
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Solution
The fourth proportional to 103,677.05, 155,417.06 and 40,537.65 is: 60,767.96
Step by Step Solution
- Step 1: Write the proportion equation
103,677.05 : 155,417.06 = 40,537.65 : x - Step 2: Convert to fraction form
103,677.05/155,417.06 = 40,537.65/x - Step 3: Cross multiply
103,677.05x = 155,417.06 × 40,537.65 - Step 4: Simplify right side
103,677.05x = 6,300,242,382.31 - Step 5: Solve for x
x = 6,300,242,382.31/103,677.05 - Step 6: Final answer
x = 60,767.96
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.