Finding the Fourth Proportional to 84,813.70, 118,894.70 and 84,813.70
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Solution
The fourth proportional to 84,813.70, 118,894.70 and 84,813.70 is: 118,894.70
Step by Step Solution
- Step 1: Write the proportion equation
84,813.70 : 118,894.70 = 84,813.70 : x - Step 2: Convert to fraction form
84,813.70/118,894.70 = 84,813.70/x - Step 3: Cross multiply
84,813.70x = 118,894.70 × 84,813.70 - Step 4: Simplify right side
84,813.70x = 10,083,899,417.39 - Step 5: Solve for x
x = 10,083,899,417.39/84,813.70 - Step 6: Final answer
x = 118,894.70
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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.