Finding the Fourth Proportional to 88,303.71, 132,460.14 and 29,143.99
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Solution
The fourth proportional to 88,303.71, 132,460.14 and 29,143.99 is: 43,717.50
Step by Step Solution
- Step 1: Write the proportion equation
88,303.71 : 132,460.14 = 29,143.99 : x - Step 2: Convert to fraction form
88,303.71/132,460.14 = 29,143.99/x - Step 3: Cross multiply
88,303.71x = 132,460.14 × 29,143.99 - Step 4: Simplify right side
88,303.71x = 3,860,417,270.42 - Step 5: Solve for x
x = 3,860,417,270.42/88,303.71 - Step 6: Final answer
x = 43,717.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.