Finding the Fourth Proportional to 83,291.60, 124,937.40 and 24,129.20
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Solution
The fourth proportional to 83,291.60, 124,937.40 and 24,129.20 is: 36,193.80
Step by Step Solution
- Step 1: Write the proportion equation
83,291.60 : 124,937.40 = 24,129.20 : x - Step 2: Convert to fraction form
83,291.60/124,937.40 = 24,129.20/x - Step 3: Cross multiply
83,291.60x = 124,937.40 × 24,129.20 - Step 4: Simplify right side
83,291.60x = 3,014,639,512.08 - Step 5: Solve for x
x = 3,014,639,512.08/83,291.60 - Step 6: Final answer
x = 36,193.80
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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.