Finding the Fourth Proportional to 105,666.71, 158,551.70 and 46,494.99
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Solution
The fourth proportional to 105,666.71, 158,551.70 and 46,494.99 is: 69,765.21
Step by Step Solution
- Step 1: Write the proportion equation
105,666.71 : 158,551.70 = 46,494.99 : x - Step 2: Convert to fraction form
105,666.71/158,551.70 = 46,494.99/x - Step 3: Cross multiply
105,666.71x = 158,551.70 × 46,494.99 - Step 4: Simplify right side
105,666.71x = 7,371,859,473.51 - Step 5: Solve for x
x = 7,371,859,473.51/105,666.71 - Step 6: Final answer
x = 69,765.21
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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.