Finding the Fourth Proportional to 83,203.14, 114,807.06 and 47,393.88
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Solution
The fourth proportional to 83,203.14, 114,807.06 and 47,393.88 is: 65,395.99
Step by Step Solution
- Step 1: Write the proportion equation
83,203.14 : 114,807.06 = 47,393.88 : x - Step 2: Convert to fraction form
83,203.14/114,807.06 = 47,393.88/x - Step 3: Cross multiply
83,203.14x = 114,807.06 × 47,393.88 - Step 4: Simplify right side
83,203.14x = 5,441,152,024.79 - Step 5: Solve for x
x = 5,441,152,024.79/83,203.14 - Step 6: Final answer
x = 65,395.99
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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.