Finding the Fourth Proportional to 86,750.60, 130,125.90 and 24,421.10
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Solution
The fourth proportional to 86,750.60, 130,125.90 and 24,421.10 is: 36,631.65
Step by Step Solution
- Step 1: Write the proportion equation
86,750.60 : 130,125.90 = 24,421.10 : x - Step 2: Convert to fraction form
86,750.60/130,125.90 = 24,421.10/x - Step 3: Cross multiply
86,750.60x = 130,125.90 × 24,421.10 - Step 4: Simplify right side
86,750.60x = 3,177,817,616.49 - Step 5: Solve for x
x = 3,177,817,616.49/86,750.60 - Step 6: Final answer
x = 36,631.65
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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.