Finding the Fourth Proportional to 84,818.70, 118,901.70 and 84,818.70
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Solution
The fourth proportional to 84,818.70, 118,901.70 and 84,818.70 is: 118,901.70
Step by Step Solution
- Step 1: Write the proportion equation
84,818.70 : 118,901.70 = 84,818.70 : x - Step 2: Convert to fraction form
84,818.70/118,901.70 = 84,818.70/x - Step 3: Cross multiply
84,818.70x = 118,901.70 × 84,818.70 - Step 4: Simplify right side
84,818.70x = 10,085,087,621.79 - Step 5: Solve for x
x = 10,085,087,621.79/84,818.70 - Step 6: Final answer
x = 118,901.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.