Finding the Fourth Proportional to 87,030.18, 130,515.18 and 44,932.26
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Solution
The fourth proportional to 87,030.18, 130,515.18 and 44,932.26 is: 67,382.86
Step by Step Solution
- Step 1: Write the proportion equation
87,030.18 : 130,515.18 = 44,932.26 : x - Step 2: Convert to fraction form
87,030.18/130,515.18 = 44,932.26/x - Step 3: Cross multiply
87,030.18x = 130,515.18 × 44,932.26 - Step 4: Simplify right side
87,030.18x = 5,864,342,001.71 - Step 5: Solve for x
x = 5,864,342,001.71/87,030.18 - Step 6: Final answer
x = 67,382.86
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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.