Finding the Fourth Proportional to 84,801.70, 127,202.55 and 47,937.70
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Solution
The fourth proportional to 84,801.70, 127,202.55 and 47,937.70 is: 71,906.55
Step by Step Solution
- Step 1: Write the proportion equation
84,801.70 : 127,202.55 = 47,937.70 : x - Step 2: Convert to fraction form
84,801.70/127,202.55 = 47,937.70/x - Step 3: Cross multiply
84,801.70x = 127,202.55 × 47,937.70 - Step 4: Simplify right side
84,801.70x = 6,097,797,681.14 - Step 5: Solve for x
x = 6,097,797,681.14/84,801.70 - Step 6: Final answer
x = 71,906.55
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1.5x scale
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.