Finding the Fourth Proportional to 84,887.06, 127,232.16 and 79,966.31
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Solution
The fourth proportional to 84,887.06, 127,232.16 and 79,966.31 is: 119,856.74
Step by Step Solution
- Step 1: Write the proportion equation
84,887.06 : 127,232.16 = 79,966.31 : x - Step 2: Convert to fraction form
84,887.06/127,232.16 = 79,966.31/x - Step 3: Cross multiply
84,887.06x = 127,232.16 × 79,966.31 - Step 4: Simplify right side
84,887.06x = 10,174,285,637.40 - Step 5: Solve for x
x = 10,174,285,637.40/84,887.06 - Step 6: Final answer
x = 119,856.74
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1.5x scale
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.