Finding the Fourth Proportional to 101,973.98, 152,960.36 and 39,644.48
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Solution
The fourth proportional to 101,973.98, 152,960.36 and 39,644.48 is: 59,466.48
Step by Step Solution
- Step 1: Write the proportion equation
101,973.98 : 152,960.36 = 39,644.48 : x - Step 2: Convert to fraction form
101,973.98/152,960.36 = 39,644.48/x - Step 3: Cross multiply
101,973.98x = 152,960.36 × 39,644.48 - Step 4: Simplify right side
101,973.98x = 6,064,033,932.81 - Step 5: Solve for x
x = 6,064,033,932.81/101,973.98 - Step 6: Final answer
x = 59,466.48
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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.