Finding the Fourth Proportional to 86,885.34, 130,338.27 and 27,700.26
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Solution
The fourth proportional to 86,885.34, 130,338.27 and 27,700.26 is: 41,553.66
Step by Step Solution
- Step 1: Write the proportion equation
86,885.34 : 130,338.27 = 27,700.26 : x - Step 2: Convert to fraction form
86,885.34/130,338.27 = 27,700.26/x - Step 3: Cross multiply
86,885.34x = 130,338.27 × 27,700.26 - Step 4: Simplify right side
86,885.34x = 3,610,403,966.95 - Step 5: Solve for x
x = 3,610,403,966.95/86,885.34 - Step 6: Final answer
x = 41,553.66
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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.