Finding the Fourth Proportional to 84,848.07, 127,325.70 and 47,432.69
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Solution
The fourth proportional to 84,848.07, 127,325.70 and 47,432.69 is: 71,178.99
Step by Step Solution
- Step 1: Write the proportion equation
84,848.07 : 127,325.70 = 47,432.69 : x - Step 2: Convert to fraction form
84,848.07/127,325.70 = 47,432.69/x - Step 3: Cross multiply
84,848.07x = 127,325.70 × 47,432.69 - Step 4: Simplify right side
84,848.07x = 6,039,399,820.50 - Step 5: Solve for x
x = 6,039,399,820.50/84,848.07 - Step 6: Final answer
x = 71,178.99
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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.