Finding the Fourth Proportional to 86,964.05, 130,452.15 and 34,366.70
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Solution
The fourth proportional to 86,964.05, 130,452.15 and 34,366.70 is: 51,552.45
Step by Step Solution
- Step 1: Write the proportion equation
86,964.05 : 130,452.15 = 34,366.70 : x - Step 2: Convert to fraction form
86,964.05/130,452.15 = 34,366.70/x - Step 3: Cross multiply
86,964.05x = 130,452.15 × 34,366.70 - Step 4: Simplify right side
86,964.05x = 4,483,209,903.41 - Step 5: Solve for x
x = 4,483,209,903.41/86,964.05 - Step 6: Final answer
x = 51,552.45
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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.