Finding the Fourth Proportional to 86,739.24, 130,108.80 and 24,409.74
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Solution
The fourth proportional to 86,739.24, 130,108.80 and 24,409.74 is: 36,614.59
Step by Step Solution
- Step 1: Write the proportion equation
86,739.24 : 130,108.80 = 24,409.74 : x - Step 2: Convert to fraction form
86,739.24/130,108.80 = 24,409.74/x - Step 3: Cross multiply
86,739.24x = 130,108.80 × 24,409.74 - Step 4: Simplify right side
86,739.24x = 3,175,921,979.71 - Step 5: Solve for x
x = 3,175,921,979.71/86,739.24 - Step 6: Final answer
x = 36,614.59
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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.