Finding the Fourth Proportional to 83,811.08, 125,712.84 and 24,648.68
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Solution
The fourth proportional to 83,811.08, 125,712.84 and 24,648.68 is: 36,971.91
Step by Step Solution
- Step 1: Write the proportion equation
83,811.08 : 125,712.84 = 24,648.68 : x - Step 2: Convert to fraction form
83,811.08/125,712.84 = 24,648.68/x - Step 3: Cross multiply
83,811.08x = 125,712.84 × 24,648.68 - Step 4: Simplify right side
83,811.08x = 3,098,655,565.05 - Step 5: Solve for x
x = 3,098,655,565.05/83,811.08 - Step 6: Final answer
x = 36,971.91
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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.