Finding the Fourth Proportional to 84,709.04, 127,037.63 and 28,534.08
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Solution
The fourth proportional to 84,709.04, 127,037.63 and 28,534.08 is: 42,792.39
Step by Step Solution
- Step 1: Write the proportion equation
84,709.04 : 127,037.63 = 28,534.08 : x - Step 2: Convert to fraction form
84,709.04/127,037.63 = 28,534.08/x - Step 3: Cross multiply
84,709.04x = 127,037.63 × 28,534.08 - Step 4: Simplify right side
84,709.04x = 3,624,901,754.76 - Step 5: Solve for x
x = 3,624,901,754.76/84,709.04 - Step 6: Final answer
x = 42,792.39
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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.