Finding the Fourth Proportional to 87,366.36, 130,827.18 and 57,739.80
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Solution
The fourth proportional to 87,366.36, 130,827.18 and 57,739.80 is: 86,462.74
Step by Step Solution
- Step 1: Write the proportion equation
87,366.36 : 130,827.18 = 57,739.80 : x - Step 2: Convert to fraction form
87,366.36/130,827.18 = 57,739.80/x - Step 3: Cross multiply
87,366.36x = 130,827.18 × 57,739.80 - Step 4: Simplify right side
87,366.36x = 7,553,935,207.76 - Step 5: Solve for x
x = 7,553,935,207.76/87,366.36 - Step 6: Final answer
x = 86,462.74
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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.