Finding the Fourth Proportional to 76,027.40, 114,030.30 and 26,109.80
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Solution
The fourth proportional to 76,027.40, 114,030.30 and 26,109.80 is: 39,160.99
Step by Step Solution
- Step 1: Write the proportion equation
76,027.40 : 114,030.30 = 26,109.80 : x - Step 2: Convert to fraction form
76,027.40/114,030.30 = 26,109.80/x - Step 3: Cross multiply
76,027.40x = 114,030.30 × 26,109.80 - Step 4: Simplify right side
76,027.40x = 2,977,308,326.94 - Step 5: Solve for x
x = 2,977,308,326.94/76,027.40 - Step 6: Final answer
x = 39,160.99
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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.