Finding the Fourth Proportional to 70,783.92, 106,219.08 and 29,225.52
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Solution
The fourth proportional to 70,783.92, 106,219.08 and 29,225.52 is: 43,856.12
Step by Step Solution
- Step 1: Write the proportion equation
70,783.92 : 106,219.08 = 29,225.52 : x - Step 2: Convert to fraction form
70,783.92/106,219.08 = 29,225.52/x - Step 3: Cross multiply
70,783.92x = 106,219.08 × 29,225.52 - Step 4: Simplify right side
70,783.92x = 3,104,307,846.92 - Step 5: Solve for x
x = 3,104,307,846.92/70,783.92 - Step 6: Final answer
x = 43,856.12
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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.