Finding the Fourth Proportional to 114,023.26, 157,338.47 and 63,029.12
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Solution
The fourth proportional to 114,023.26, 157,338.47 and 63,029.12 is: 86,972.65
Step by Step Solution
- Step 1: Write the proportion equation
114,023.26 : 157,338.47 = 63,029.12 : x - Step 2: Convert to fraction form
114,023.26/157,338.47 = 63,029.12/x - Step 3: Cross multiply
114,023.26x = 157,338.47 × 63,029.12 - Step 4: Simplify right side
114,023.26x = 9,916,904,991.10 - Step 5: Solve for x
x = 9,916,904,991.10/114,023.26 - Step 6: Final answer
x = 86,972.65
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.