Finding the Fourth Proportional to 86,701.71, 130,052.56 and 24,372.21
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Solution
The fourth proportional to 86,701.71, 130,052.56 and 24,372.21 is: 36,558.31
Step by Step Solution
- Step 1: Write the proportion equation
86,701.71 : 130,052.56 = 24,372.21 : x - Step 2: Convert to fraction form
86,701.71/130,052.56 = 24,372.21/x - Step 3: Cross multiply
86,701.71x = 130,052.56 × 24,372.21 - Step 4: Simplify right side
86,701.71x = 3,169,667,531.23 - Step 5: Solve for x
x = 3,169,667,531.23/86,701.71 - Step 6: Final answer
x = 36,558.31
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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.