Finding the Fourth Proportional to 87,134.12, 130,701.36 and 23,955.08
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Solution
The fourth proportional to 87,134.12, 130,701.36 and 23,955.08 is: 35,932.67
Step by Step Solution
- Step 1: Write the proportion equation
87,134.12 : 130,701.36 = 23,955.08 : x - Step 2: Convert to fraction form
87,134.12/130,701.36 = 23,955.08/x - Step 3: Cross multiply
87,134.12x = 130,701.36 × 23,955.08 - Step 4: Simplify right side
87,134.12x = 3,130,961,534.91 - Step 5: Solve for x
x = 3,130,961,534.91/87,134.12 - Step 6: Final answer
x = 35,932.67
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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.