Finding the Fourth Proportional to 86,701.30, 130,051.94 and 24,371.80
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Solution
The fourth proportional to 86,701.30, 130,051.94 and 24,371.80 is: 36,557.70
Step by Step Solution
- Step 1: Write the proportion equation
86,701.30 : 130,051.94 = 24,371.80 : x - Step 2: Convert to fraction form
86,701.30/130,051.94 = 24,371.80/x - Step 3: Cross multiply
86,701.30x = 130,051.94 × 24,371.80 - Step 4: Simplify right side
86,701.30x = 3,169,599,871.29 - Step 5: Solve for x
x = 3,169,599,871.29/86,701.30 - Step 6: Final answer
x = 36,557.70
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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.