Finding the Fourth Proportional to 83,184.06, 114,801.99 and 47,385.66
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Solution
The fourth proportional to 83,184.06, 114,801.99 and 47,385.66 is: 65,396.76
Step by Step Solution
- Step 1: Write the proportion equation
83,184.06 : 114,801.99 = 47,385.66 : x - Step 2: Convert to fraction form
83,184.06/114,801.99 = 47,385.66/x - Step 3: Cross multiply
83,184.06x = 114,801.99 × 47,385.66 - Step 4: Simplify right side
83,184.06x = 5,439,968,065.46 - Step 5: Solve for x
x = 5,439,968,065.46/83,184.06 - Step 6: Final answer
x = 65,396.76
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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.