Finding the Fourth Proportional to 106,586.64, 147,089.85 and 58,839.99
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Solution
The fourth proportional to 106,586.64, 147,089.85 and 58,839.99 is: 81,199.34
Step by Step Solution
- Step 1: Write the proportion equation
106,586.64 : 147,089.85 = 58,839.99 : x - Step 2: Convert to fraction form
106,586.64/147,089.85 = 58,839.99/x - Step 3: Cross multiply
106,586.64x = 147,089.85 × 58,839.99 - Step 4: Simplify right side
106,586.64x = 8,654,765,303.10 - Step 5: Solve for x
x = 8,654,765,303.10/106,586.64 - Step 6: Final answer
x = 81,199.34
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.