Finding the Fourth Proportional to 83,859.24, 115,726.62 and 48,048.48
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Solution
The fourth proportional to 83,859.24, 115,726.62 and 48,048.48 is: 66,307.40
Step by Step Solution
- Step 1: Write the proportion equation
83,859.24 : 115,726.62 = 48,048.48 : x - Step 2: Convert to fraction form
83,859.24/115,726.62 = 48,048.48/x - Step 3: Cross multiply
83,859.24x = 115,726.62 × 48,048.48 - Step 4: Simplify right side
83,859.24x = 5,560,488,186.54 - Step 5: Solve for x
x = 5,560,488,186.54/83,859.24 - Step 6: Final answer
x = 66,307.40
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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.