Finding the Fourth Proportional to 86,750.20, 130,125.30 and 24,420.70
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Solution
The fourth proportional to 86,750.20, 130,125.30 and 24,420.70 is: 36,631.05
Step by Step Solution
- Step 1: Write the proportion equation
86,750.20 : 130,125.30 = 24,420.70 : x - Step 2: Convert to fraction form
86,750.20/130,125.30 = 24,420.70/x - Step 3: Cross multiply
86,750.20x = 130,125.30 × 24,420.70 - Step 4: Simplify right side
86,750.20x = 3,177,750,913.71 - Step 5: Solve for x
x = 3,177,750,913.71/86,750.20 - Step 6: Final answer
x = 36,631.05
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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.