Finding the Fourth Proportional to 86,893.68, 130,348.12 and 24,564.20
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Solution
The fourth proportional to 86,893.68, 130,348.12 and 24,564.20 is: 36,848.45
Step by Step Solution
- Step 1: Write the proportion equation
86,893.68 : 130,348.12 = 24,564.20 : x - Step 2: Convert to fraction form
86,893.68/130,348.12 = 24,564.20/x - Step 3: Cross multiply
86,893.68x = 130,348.12 × 24,564.20 - Step 4: Simplify right side
86,893.68x = 3,201,897,289.30 - Step 5: Solve for x
x = 3,201,897,289.30/86,893.68 - Step 6: Final answer
x = 36,848.45
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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.