Finding the Fourth Proportional to 93,432.22, 140,129.49 and 26,856.70
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Solution
The fourth proportional to 93,432.22, 140,129.49 and 26,856.70 is: 40,279.63
Step by Step Solution
- Step 1: Write the proportion equation
93,432.22 : 140,129.49 = 26,856.70 : x - Step 2: Convert to fraction form
93,432.22/140,129.49 = 26,856.70/x - Step 3: Cross multiply
93,432.22x = 140,129.49 × 26,856.70 - Step 4: Simplify right side
93,432.22x = 3,763,415,674.08 - Step 5: Solve for x
x = 3,763,415,674.08/93,432.22 - Step 6: Final answer
x = 40,279.63
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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.